Hi @Brian_Cory,
I would agree with Slim’s suggestion here. Unless your client plans on operating both RoonServer instances at the same time, having a USB or NAS drive with the media + a Roon backup would be the way to go.
This would ensure that any edits made will carry over, and I can confirm that you can only restore a backup if it is using the same account, something to keep this in mind if you decide to have two separate licenses.