Separate agent installed?

Will this require another installed piece of software or will it work with the RMM agent that gets installed?

At this stage, it will require another agent installed.

Please check below topic for quick enrollment:

https://forum.mspconsortium.com/forum/products/patch-management/how-to-guides-for-patch-management/220-how-to-enroll-your-a-computer-to-patch-management