There is a new release of SQL Server Analysis and Reporting Services Management Packs (22.214.171.124). These management packs can be used to monitor SQL Server Analysis Services and SQL Server Reporting Services versions 2012 and up as well as Power BI Report Server.
Please download at:
SSAS MP Changelog
Improved performance of partition discovery for multidimensional databases Updated and improved SCOM 2019 HTML Dashboards to represent SSAS objects
SSRS MP Changelog
Updated and improved SCOM 2019