Which three recommendations should a Solution Architect make to ensure features are enabled without impacting user efficiency?

During a B2B multi-cloud implementation, an executive sponsor from Universal Containers (UC) approaches the Solution Architect to discuss ongoing support and new functionality that will be rolled out to support UC. The current implementation supports Experience Cloud, Service Cloud, and Sales Cloud.

Which three recommendations should a Solution Architect make to ensure features are enabled without impacting user efficiency? Choose 3 answers
A . Give users a way to raise support tickets for new features they do not understand.
B. Give users the ability to opt-out of any new feature they dislike.
C. Fully document all customizations added to the system.
D. Communicate and train users on new features.
E. Ensure development, training, and production environments are in place.

Answer: A,D,E