Synology Disk Station Manager 7.0 Now Live - [Solved: Roon supported on a working beta version]

The root account is the equivalent of Administrator on Windows (God → is allowed to do anything, has access to all data).

That’s described in the post I linked:

Before, the app and therefore Roon, were installed as root (God; read/write permissions for the whole system) → no need to configure access rights to folders for Roon to work.