I do. I had an fcb1010 running both amps and the H9 simultaneously so I'm using it with the kpa now. I've ordered the Uno Kemper chip for it. Oddly enough, so far it's been easier to set up the midi than it has been to customize rigs/presets and organize them. I've only had it for a day and it's not like I won't figure it out.
I didn't know you could order and swap chips. I don't doubt midi is being easier to setup than customizing and organizing rigs tho, there's discussion on here about that. There is an 3rd party editor, ToastME, its a midi function editor for profiles you might find useful.