Hi Arthur,
Thank you for providing additional information regarding your request. I understand that you need to set different limits on custom fields created in the product for each product and for each user role.
I apologize for any confusion that my previous response may have caused. I have escalated your request to our development team. They will get back to you as soon as possible.
Thank you for your patience, and please let me know if you have any further questions.
Kind regards,
Moshtafizur