I don’t try to maintain any sort of consistent control schemes, it’s all ad-hoc, part of my patch-from-scratch approach.
A lot of my software synth patching is just drones, so they probably get a fader or two on the Sweet Sixteen, or expression pedal. Maybe a footswitch or two for transposing.
If I’m going to play a softsynth beyond that, I’ll use the Launchpad Pro mk3 to control it. Almost always I’ll use pressure for dynamics, and maybe something like filter, folding, timbre etc along with that, maybe also a vibrato/tremolo sort of modulation. That’s usually all, though sometimes I’ll also add a fader or expression pedal to some parameter as well – on the synth or an effect.
I tried the DrivenByMoss script and found I’d rather just use it as a generic MIDI controller. I understand there’s now a script specifically for the LPP mk3 that exactly replicates its functions as labeled on the device, but I haven’t tried it yet. I’m not really doing any sequencing in Bitwig outside the grid. I really just like the LPP to play notes or to sequence with. I don’t have anything with a piano-style keyboard anymore, unless the buttons on West Pest count (and they don’t) 
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