in the command center you can assign every switch to send a keystroke with or without modifiers (ctrl, shift, etc). so you are limited to 10 keys or whatever. it's not "turn it into a keyboard", it's make a switch send a certain keystroke.
2 Heir Apparents, or alternately you can mess with toggling the Gain/Level 2 with another footswitch in Controller Assign with the Tone Sovereign pedal if you're limited on blocks