Lots of great questions were asked and answered at the Living Atlas showcase during the 2022 Esri User Conference. Here’s a summary of some of the frequently asked questions and topics along with links to recordings of some of the Living Atlas workshops.
https://www.esri.com/arcgis-blog/products/arcgis-living-atlas/mapping/living-atlas-questions-uc2022/
Also of interest to may be some of the recorded Living Atlas workshops:
Living Atlas: An Introduction
Living Atlas: Choosing the Right Basemap
Living Atlas: Environmental Content, Mapping, and Analysis Workflows
Living Atlas: Live Feed Maps and Workflows for Disaster Response