Option where a Administrator proxies into a Manager's account and exploring a way to control the Kno

Summary

When a Administrator proxies as a Manager , we would like to control the visibility of articles that they will be able to view. Looking forward to suggestion on how this can be achieved

Content

When a Administrator proxies as a Manager , we would like to control the visibility of articles that they will be able to view. Looking forward to suggestion on how this can be achieved 

As part of the plan we would like to create articles and associate it to 'Managers only' category . The requirement is that when user impersonation is set up the proxy user should not have visibility to confidential articles.