SAP has its own reporting tools, but most companies also want to use Power BI.
01. Direct HANA Connection
Connect directly from Power BI via Get Data > SAP HANA.
02. SAP BW Connection
OLAP cubes can be queried with the SAP BW connector.
03. OData Services
S/4HANA offers modern OData APIs.
04. Middle Layer: Azure Data Factory
In complex scenarios, ETL from SAP to Synapse with ADF.
05. Security
RLS must be set up separately on the Power BI side.