I use a payment Api with personal license to create pdf with .Net technologies. I can do for you the desgin that you wish. These are the things that I can do with pdfs: create in WPF, in Windows RT Aplication or in SIlverlgith App. Forms, Filable forms,attach images, add UI Elements ( buttons, list boxs, text box,etc), extract content, split pdfs,ncryption.. and much more things!