im extracting form fields from different pdfs but in some pdfs there are fields like checkbox i want to get them as checkbox not treat them as form fileds how i differentiate that these are checkbox present in pdf i wa…...ADDENDASPECIAL CONDITIONS: (Page: 2) MD NONRESIDENT SELLER TRANSFER WITHHOLDING...ADDENDASPECIAL CONDITIONS: (Page: 2) MD NONRESIDENT SELLER TRANSFER WITHHOLDING...