Win 7, Acrobat 7
The script is pretty trivial. It scans through a large PDF with different page sizes and breaks it into sub files -- each with contiguious pages of the same size for printing since notaries have to print a lot and per-page costs for legal add up in volume so this helps them not waste money on that.
The API is very cool.
Nevermind, found it. Since this was not popping up on google, I'll share...
The files are unformatted and appended with the ".sequ" extension. They are in:
This is for the ones I added. The stock ones are under Program Files (x86).