I need to create a signable lease document

Do you have telephone suppport

We do not provide phone support, but we will be happy to help via this thread. 

You can ask the needed information on your form by adding the needed fields and then ask for the signature, this guide will provide you the details about the available fields: https://www.jotform.com/help/46-Quick-Overview-of-Form-Fields 

This guide will help you adding the signature element to your form: https://www.jotform.com/help/433-How-to-Add-an-E-Signature-to-Your-Form 

Thanks.