diff --git a/migrations/Version20231014151112.php b/migrations/Version20231014151112.php
new file mode 100644
index 0000000..cab2a1c
--- /dev/null
+++ b/migrations/Version20231014151112.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20231014151112 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE upload ADD comment LONGTEXT DEFAULT NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE upload DROP comment');
+    }
+}
diff --git a/src/Controller/Admin/Document/CheckController.php b/src/Controller/Admin/Document/CheckController.php
index 08489e3..5a16c58 100644
--- a/src/Controller/Admin/Document/CheckController.php
+++ b/src/Controller/Admin/Document/CheckController.php
@@ -31,6 +31,7 @@ class CheckController extends AbstractController
 
     #[Route('/admin/document/check/{uuid}', name: 'app_admin_document_check')]
     #[IsGranted('ROLE_ADMINISTRATIVE')]
+    #[IsGranted('CHECK', subject: 'document')]
     public function index(Upload $document, Request $request): JsonResponse
     {
         $response = new AjaxModalResponseDto();
diff --git a/src/Security/Voter/UploadVoter.php b/src/Security/Voter/UploadVoter.php
index 29b414f..a18afc9 100644
--- a/src/Security/Voter/UploadVoter.php
+++ b/src/Security/Voter/UploadVoter.php
@@ -4,7 +4,6 @@ namespace App\Security\Voter;
 
 use App\Entity\Upload;
 use App\Entity\User;
-use Symfony\Bundle\SecurityBundle\Security;
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Authorization\Voter\Voter;
 
@@ -13,9 +12,7 @@ class UploadVoter extends Voter
     public const VIEW = 'VIEW';
     public const DELETE = 'DELETE';
     public const DOWNLOAD = 'DOWNLOAD';
-
-    public function __construct(private readonly Security $security)
-    {}
+    public const CHECK = 'CHECK';
 
     protected function supports(string $attribute, mixed $subject): bool
     {
@@ -23,21 +20,32 @@ class UploadVoter extends Voter
             return false;
         }
 
-        return in_array($attribute, [static::VIEW, static::DELETE, static::DOWNLOAD]);
+        return in_array($attribute, [static::VIEW, static::DELETE, static::DOWNLOAD, static::CHECK]);
     }
 
     protected function voteOnAttribute(string $attribute, mixed $subject, TokenInterface $token): bool
     {
-        if (true === $this->security->isGranted('ROLE_ADMINISTRATIVE')) {
-            return true;
-        }
-
         /** @var Upload $upload */
         $upload = $subject;
 
-        /** @var User $user */
-        $user = $this->security->getUser();
+        // Administrative users have full access
+        if (true === in_array('ROLE_ADMINISTRATIVE', $token->getRoleNames())) {
+            // Only new documents may be checked
+            if (static::CHECK === $attribute) {
+                return Upload::STATUS_NEW === $upload->getStatus();
+            }
 
-        return $upload->getOwner() === $user;
+            return true;
+        }
+
+        // Teamers may only access their own documents
+        if (true === in_array($attribute, [static::VIEW, static::DELETE, static::DOWNLOAD])) {
+            /** @var User $user */
+            $user = $token->getUser();
+
+            return $upload->getOwner() === $user;
+        }
+
+        return false;
     }
 }
\ No newline at end of file
diff --git a/templates/admin/document/index.html.twig b/templates/admin/document/index.html.twig
index 322b7ef..047927e 100644
--- a/templates/admin/document/index.html.twig
+++ b/templates/admin/document/index.html.twig
@@ -60,15 +60,17 @@
                                     {{ upload.status|upload_status_badge }}
                                 </td>
                                 <td>
-                                    <div class="flex items-center space-x-2">
-                                        <button type="button"
-                                                {{ stimulus_controller('modal-button', [], [], {'ajax-modal': '#ajax-modal'}) }}
-                                                {{ stimulus_action('modal-button', 'ajax', null, {
-                                                    'title': 'Dokumentenstatus bearbeiten',
-                                                    'url': path('app_admin_document_check', { 'uuid': upload.uuid })
-                                                }) }}>
-                                            {{ icon('edit') }}
-                                        </button>
+                                    <div class="flex items-center space-x-2 justify-end">
+                                        {% if is_granted('CHECK', upload) %}
+                                            <button type="button"
+                                                    {{ stimulus_controller('modal-button', [], [], {'ajax-modal': '#ajax-modal'}) }}
+                                                    {{ stimulus_action('modal-button', 'ajax', null, {
+                                                        'title': 'Dokumentenstatus bearbeiten',
+                                                        'url': path('app_admin_document_check', { 'uuid': upload.uuid })
+                                                    }) }}>
+                                                {{ icon('edit') }}
+                                            </button>
+                                        {% endif %}
                                         <a href="{{ path('app_common_download', { 'uuid': upload.uuid }) }}"
                                            target="_blank"
                                            title="Download">