When using text and form fields, there are different cases and limitations that must be taken into account:
- It is mandatory to establish an order.

- Only the first signer can fill in the fields.

If you try to add a text field to a signer other than the one placed first, you will see the option disabled:

Therefore, if you want this signer to be the one to fill in the fields, you must go to the “Signatories” step, change the order and put this signatory first.