You can mount an ESGE double legged kickstand on your Sherpa, you can mount a rear chainstay mounted single legged kickstand or you could use a Clickstand which is not permanently mounted to your bike. I have used all three and they all work with some pros and cons. You certainly can use all three without damaging your Sherpa, but the ESGE stand in particular has the potential to damage the frame if you don't protect it during the install or if you crank down the mounting bolt like crazy.

EGSE:
- I find is both convenient and very stable
- can be deployed in a second and retracted just as fast
- I've had no issues with a fully loaded touring bike supported by this stand even in soft conditions
- when not in use it's tucked out of the way
- you do need to take care when installing it, but protecting your frame is not hard [3 mins with some tape or old inner tube]
- you'd have to really go nuts tightening down the mounting bolt to do some damage, but for sure some people don't pay attention and have done it
- heaviest of these options

Single legged kickstand:
- easy to deploy
- light
- cheap
- I don't find it as stable as the other options, but it does work
- I find them quite ugly

Clickstand:
- custom made for your bike
- takes a bit of time to deploy and some free hands
- you have to pull it out and put it away for each use
- very light
- don't have to use it or have it on your bike for each ride
- quite stable when used properly with a brake lever activated by a rubber band
- you can lose it or have it stolen easily

I had a Thorn Sherpa myself - nice bike!

If you think you'll want to use your stand a lot - like for errand runs and general use I'd go with the ESGE stand. It's way more convenient than the Clickstand for frequent use and it's always there on your bike ready to go.

If you only need a stand occasionally like on a tour the Clickstand is a nice option that you can leave at home when not needed.