Like others have mentioned, you can do what you are thinking.
As for slicing tips, yeah remove the bone first without tearing everything up too badly. From there let the meat guide you on how you want to cut it into a flat sheet.
I have come to the realization that I cannot get 1 good long flat sheet BUT I can get 3 good flat sheets where one of them has the fat cap on it.
What do I do when doing this???.... I make "boneless pork ribs"!!!
Yep, I get 3 good flat sheets and season them up like ribs and smoke them like ribs. Makes better ribs then actual pork ribs and no bones to fool with hahaha. This is my suggestion vs trying to turn it into pulled pork.
You could always cook it like this and decide to take 1 sheet (maybe the sheet with the top fat layer) and leave it to where it becomes pull apart and book you get the best of all worlds :D
Here's a post I did experimenting with it side by side with some St. Louis style ribs:
When I smoke pork ribs for myself I like to pull all the bones out while the meat is still hot enough. It's a me things where I like to fork and knife most of my food hahahahaha. I had a small pork but (6.5) pounds that I needed to cook so I decided to experiment. I deboned the pork butt and...
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Just some food for thought.