First draft (#6641)

(cherry picked from commit 6e6b8f5)

Author: nastasha-solomon

docs/cases/cases-req.asciidoc

@@ -42,7 +42,7 @@ a|
 ====
 Roles without **All** privileges for the *{connectors-feature}* feature cannot create, add, delete, or modify case connectors.
 
-By default, **All** for the *Cases* feature allows you to delete cases, delete alerts and comments from cases, and edit case settings. You can customize the sub-feature privileges to limit feature access.
+By default, **All** for the *Cases* feature allows you to have full control over cases, including deleting them, editing case settings, and more. You can customize the sub-feature privileges to limit feature access.
 ====
 
 | Give assignee access to cases