The video below provides a 15-minute walkthrough of the Cost Analyzer setup for the SaaS platform, covering the complete process from initial configuration to importing cost data and getting started.
To help complete the steps in the video you will need:
An Azure App Registration which has the following:
Reader permission for the subscriptions you want to add to cost analyzer
Reservation Reader permission
In the video we go through the steps showing how to set the above things up.