I'll weigh in here.
First off are you using a separate computer for your pdf pageturns and if so why? I have one PC with two video cards and it sends video signals to two touchscreen monitors for stop changes and a central music desk monitor for scores which I maintain as pdf files. I have a thumb piston and a toe piston for advance page and one of each for page back.
When I press the piston a MIDI signal is created. This is converted to a keystroke using Bome's translator and the keystroke is picked up by Autohotkey which brings the pdf file into Windows "focus" then turns the page. Note that when running Hauptwerk, Hauptwerk will be the program that is in "focus" if that's the last program you click on before you start playing. If you open Hauptwerk, do your registrations then open your music pdf the pdf will be in focus - but only until you next click on your touchscreens. Hence the need to always bring the pdf momentarily into focus before turning the page. It has no effect on the operation or smooth playing of Hauptwerk.
I haven't needed to explore debouncing - maybe my MIDI converter chip does that automatically. But I believe the functionality exists in Bome, for instance this support forum posting refers to it:
https://www.bome.com/forums/viewtopic.php?t=10894Alternatively you could play around with Autohotkey to create something similar. No need for a hardware solution to the problem you describe and both Bome and AHK are freeware.
Incidentally I use Foxit as my PDF viewer rather than Acrobat for two reasons - firstly because I found I got occasional audio glitches when turning pages using an earlier version of Acrobat though later versions seem to have overcome that. But mainly because Foxit offers the option of opening straight to fullscreen rather than Acrobat where you have to do a further click to go to fullscreen mode. Note that you just have to specify in the Autohotkey macro code which pdf reader you are using, but it's about three lines of code so pretty easy to write (and I'd be happy to post it if you wish).