PayPal button with "click to accept"

Hi, I need to add multiple Buy Now PayPal buttons to a page, and each one needs a checkbox that reads “I accept the terms and conditions,” and this is a required checkbox.

From my research, I read that WP can’t accept the PayPal button code. My plan was to follow this tutorial (https://www.thiswebguy.com/accept-terms-and-conditions-before-purchasing-via-paypal-javascript-html/) but again, it requires the button code.

I did try this, FYI, with not good results. How do I accomplish this? I am not a programmer, I know just enough to get by.

Thanks, Jon