How to create a form with more than one person to complete?

Can I create forms that have more than one person to complete? For example, if I want to create a form with an estimate of cost. Could I create the form and then add the cost and then customer sign? Or could I send to more than one person for signature?

Yes, our approval workflow would work with your requirement. Kindly check this guide https://www.jotform.com/help/432-a-general-approach-on-building-an-approval-process-workflow on how you can apply this to your form.