Is it possible not to use any payment integration?

I am trying to use the free account to fully evaluate the product. I dont have a paypal account. is it possible not to use any

Yes, you can use a Purchase order, you can create products selling form but it is not processing payments, please check the related guide: https://www.jotform.com/help/460-How-to-Create-Payment-Form-with-Purchase-Order

Let us know if you have any further questions.

Thank you!