The Plugins Setup  menu is used to quickly import support scripts that GAC uses to support 3rd party assets. No more scrolling through folders to look for Asset Packages to import.
 
The buttons have 3 different states:
Green - The asset IS available in the project to import support for
Red - The asset support is currently being used
Grey - The asset IS NOT available in the project to import support for

1. Activator Support Plugins
These buttons are for importing support for plugins to be used as Activators.

2. Visual Scripting Support
These buttons are for importing support files for visual scripting plugins so Actions or Nodes can be used.