Some newer versions of FileMaker Pro are not compatible with SignAgent Pro™, so if you don't yet have a compatible version of FileMaker Pro, you will need to Purchase FileMaker Pro 16 and then request a downgrade to FileMaker Pro 14.
Here's instructions on how to do that:
1. Purchase FileMaker Pro 16 via: https://store.filemaker.com/individuals
2. Request downgrade from FileMaker: Email email@example.com.
They will want to know the invoice number from the purchase of FileMaker Pro 16 and the reason “Incompatibility with current solution.”
You can learn more about the downgrade process here: http://help.filemaker.com/app/answers/detail/a_id/12597/~/filemaker-pro-15-and-downgrades
If you're unsure if your version of FileMaker Pro is compatible, check out this article here: FileMaker Pro Compatibility