I'm trying to decipher what exactly the Remote Enablement feature of OMSA does. How does it differ from the Server Administrator Web Server? The description for the Server Administrator Web Server is...

"Install only the Server Administrator Web Server if you want to remotely monitor the managed system from your system. You need not have physical access to the managed system."

So Server Administrator Web Server allows you to manage the system from another computer. What would be the benefit of and in what scenario would Remote Enablement be needed over just the Server Administrator Web Server?