Reza Rad takes us through the workspace model in Power BI:
Workspaces are another way of sharing Power BI content with other people. The benefit of this sharing approach is that you can share content with a group of people and create a collaborative development environment where everyone can access it. In this article and video, I get you through sharing with workspaces, what the limitations and advantages are, and how it is different from dashboard sharing, and you will have a complete understanding at the end of this article which scenarios are suitable to be used with this method of sharing.
Click through for a video and an article.