This Management Pack discovers Microsoft SQL Server 2012 Reporting Services (Native Mode) and related objects. The management pack contains the discovery logic only, and requires a separate monitoring management pack to be imported to monitor the discovered objects.
Microsoft SQL Server 2012 Reporting Services (Discovery, Native Mode) Management Pack provides SQL Server 2012 with specific object definitions and discovery rules. It does not provide monitoring functionality, which is contained in SQL Server 2012 (Monitoring, Native Mode) Management Pack only.