Is the signature widgets available to account on free subscriptions?

If I am adding a Signature part to the form.  Do I need to upgrade from free to paying? I have it but its not taking signatures.

The Signature widgets that we have are available to free and paid subscribers.

How-to-Add-an-E-Signature-to-Your-Form

Can you tell us what exactly is the issue that you are experiencing with the widget(s), please?

We will wait for your response.