Project Online is a flexible online solution for Project Portfolio Management (PPM) and everyday work.
Project Online is built on the SharePoint platform, and it stores data in the SharePoint data store. It can be used by administrators, portfolio managers and viewers, project and resource managers, and team leads and members.
Power BI is a powerful analytics solution by Microsoft. It aims to provide interactive visualizations and business intelligence capabilities with an interface simple enough for end users to create their own reports and dashboards