How to multiple touchscreens to work simultaneously

AV booth at church has four touchscreens that work fine except when the users try to touch different monitors at the same time. Timing is everything in audio/video live-streaming! We often have to rap things multiple times because the other guy is doing something at the same instant.

PC (Win11) displayport to monitor hdmi & USB to escort each monitor. inAsus 27” multitouch monitors connect with video

I’m not sure if multi seat software is the only solution, but I’m thing there will be more unforeseen issues if we go down that path.