There are two entirely different kinds of PDF forms. Each type has its own different JavaScript and FormCalc, and has its own features. You cannot mix these or go back and forwards. Certainly, you can make forms with Acrobat ("acroforms"), as well as LiveCycle Designer ("XFA forms"), but you will ha...

You don't need a server to run LiveCycle enabling solutions, but you do need a separate app or developer tool which signs and changes the entire PDF. It isn't just a key.