The current steps you need to take to create, share and maintain your company UI resources is unintuative.
there are also a lot of unanswered questions in the documentation:
Does my sass move there?
Does my css move there?
If i change or add something, is it synced over all projects?
If I change something in my main project, and sync it will it rewrite the other projects?
How does this handle modeler versions, is it backwards compatable?
Sharing and Maintaining Your Company Atlas UI Resources:
also found this forum topic explaining some of the issues people are running into
Best practice cross-application styling