[FIX]Issue rights documents upload

controllers/main.py

@@ -107,7 +107,7 @@ class AccAccountMain(CustomerPortal):
             )
         else:
             domain = [("res_model", "=", "acc.account"), ("res_id", "=", invoice_id)]
-            doc_id = request.env["ir.attachment"].search(domain, limit=1)
+            doc_id = request.env["ir.attachment"].with_user(SUPERUSER_ID).search(domain, limit=1)
             if not doc_id:
                 return Response(
                     _("Aucun document n'est disponible à cette URL."), status=404