Microsoft provides extensive and valuable information to review with regards to the components of Power BI.

Power BI Service

Power BI Desktop

Power BI Mobile Apps

Developers can leverage API integrations to embed Power BI with their solutions.

Power BI Developer

Reference to PowerBI online documentation

Open Door recommends joining the PowerBI User Group for additional help, "How To" and community support!

For details with regards to PowerBI with Business Central, please see the following link for additional details