Permissions might be granted to users and groups on many different levels. This makes it difficult to understand a user’s permissions set for the selected content item. In this case, use the Summarize by Users view to unfold all the groups and summarize all permissions at all levels.In this view, all groups are unfolded: only the users are listed together with their role (or roles). Hover over a specific role to see where it has been inherited from.
Select an item from the list and click Details to see the included permissions.