Can I create a multi-party signatures?

Can I create a form wherein the fields can be filled out and signed and then sent for a second signature?

You can add multiple signature widgets into your form for each signee then re-route the submissions for another person's approval or signature.

Here's a guide on how to create an approval workflow https://www.jotform.com/help/432-A-General-Approach-on-Building-an-Approval-Process-Workflow

If you come across any problem, please let us know here.