Looks like you can't at present use accented characters inside an Acroform ... it will crash the Acrobat parser.
No, they can be multipage ... but often it makes sense to split them Eg. one form I have is for initial application and renewal. So, split them into two separate Acroforms.
Steps to view PDF in browser (1) http://www.compkarori.co.nz:8000/md/login.rsp (this looks down) (2) login as: Guest / Guest (3) follow instructions below: