With the Embedded display option (and the Overlay display option), you have full control over all form fields.
Below are some examples of the Embedded display option.
Test using card number 4242 4242 4242 4242, any (future) expiration and any CVC. More test numbers here.
Use the 4000 0000 0000 3220 test card number to trigger a 3D Secure challenge flow.
Here’s a very minimal embedded payment form.
Here’s a minimal Stripe-style embedded payment form.
Here’s a donation form that also requires your billing and shipping addresses.