Hi, I want to make one of my friends admin on my server…
Is this possible? It’s just so he can edit covers and share the libraries with more users… 
No.
https://forums.plex.tv/discussions/tagged/feature-request/p1
you can search through there if a request has been made but I have only found this in a quick search
1 Like
this would be something you would have to request from plex as we are not them lol. you could use emby they i think allow multi users to make changes.