Hi @ilievskism, welcome to the forum.
You can easily disable any cab block and send the output to a power amp. You can also assign a cab block as a “Stomp” and turn it on or off by pressing a footswitch. You can do this with Scenes, too.
This request for a doubler has a lot of votes currently, check it out:
If you have ideas for more requests, be sure to use the search feature first because chances are someone has probably already posted the same thing or something very similar. Cheers.