How can I make my sales tax rate based on the clients address?

I live in a destination based state and all sales tax is based of the final destination of the product. For example the rate for my address is 8.75% but if my client lives in another town they would have a different rate.

Yes. It is possible to add taxes using the payment field based on the address filled on the form. Please refer to the guide below that can help you with adding Tax to the payment form.

https://www.jotform.com/help/296-How-to-Add-Tax-to-Your-Payment-Form

Hope this information helps!