Good thing Everything bypasses the need for this.
So you're saying that people do their taxes on their phones? Everyone I know uses both a computer and a smartphone for different reasons.
Um, I hate to break it to you, but sons will think the same thing about themselves and simply not mention it. Source: me
I'm perceptibly a bit late to this post, but that's only because I recently learned that this community existed at all.
Anyway, I use Acrobat Pro but I'm not sure of what "visually digitally sign" is unless it has to do with that stamp/signature pane. I am inexperienced with ControlClick, though, so I don't think I could be of much help to you there.
coordinates change with window resizing or different resolution displays.
So set dynamic coordinates for every single possible window. If you're using AHK to resize, then I would imagine it would only be to a few specific windows at most, and you could link the sizes to their own unique coords each time.
Bluetooth has been pretty useful for me; the only problem I run into is device detection, sometimes, but once the two devices pair, rarely are there further problems in the file transfer process.