Most add-ons provide functions globally, and only a small handful of them have user-restricted features (but those don't affect the licences you need for them, and they're specifically part of the add-on)
The Enhancer add-on, assuming it's the one I'm thinking of, adds functions that are global and it wouldn't make sense to disable them per user/team. Workflows aren't team specific.
As a Jira power user, I was at first doubtful that Trello could benefit my workflow. Jira already uses boards (ones you can customize!), so why would I even need to use Trello?! In this post you will...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG