Each solution within the AMC has various permissions levels. Each solution is also at various stages of integrating permissions management within the Adobe Admin Console. The AMC UI and it's core services manage permissions within the Adobe Admin Console.
Here is an overview of a the Admin Console - Adobe Admin Console
I posted all my queries separately in Adobe Analytics, Target, Campaign and AAM.
For AA, I got one answer and for Campaign many.
But all other queries are unanswered as yet.
Each of those community has different community managers. If you haven't received an answer in the next few days, feel free to comment on those threads. Doing so will trigger another alert to the community manager. I'll go ahead and mark this thread closed since we've answered the overall question.