As i understand your problem is for syncing conf between servers.
I got the same issue, i hope it will be improved one day, but it s not that bad.
With recent stable version of urbackup it s very managable because you can use groups.
So you can change the setting of a group, this will change the setting of a lot of clients with the same setting at once
You don't change the conf everyday (maybe often at the beginging, but that's all).
If you make one mistake on one server, it s not replicatedon the other server.
If you need multiple servers :
That works well if the client is on the same lan than than the server
But if the server isnt on the same lan, you can only have one internet server by client (known bug)
Then you can have different retention and frequency set for each server (internet server backup less often, and doesnt do images backup, but keep data for very long for example, and local server can make multipel incremental per day and keep only one at the end of the day)