I use that VST.
You have to load three separate instances of the VST in order to have simultaneous access to all the patches.
One each of these in the image: https://imgur.com/C04M737.gif plus another if you want to use the sounds of the hands.
This was a painstaking project for the author, these limitations are due to the product that was used in creating it. The samples themselves are great, imo, and show that the author understands guitar, and VST programming. For the price it’s quite good. But with a steep learning curve.
Eirk has been responsive to help and issue requests in my experience, and provides immediate fixes when they are needed.