FME does not have a native connector or reader for Power BI. You can perhaps make use of this FME Hub transformer https://hub.safe.com/publishers/safe-lab/web-connections/microsoft-power-bi

This web connection was based on this blog and adapted for FME.You will need to register an app in Azure to get the client ID and secret.

Thank you for your help. Unfortunately, it looks like this option is no longer available. Onboarding Embed Tool