Custom Fields added, but is not showing in

For traceability and SFDA regulations, we urgently need the custom fields to be made mandatory, and to be shown on the sheet view for all quotes, proformas, delivery notes, and invoices.

This is a very urgent request and we have taken the advanced customization, still is not showing.

Please make our sheet view enabled with these columns on a very urgent basis, as it is to be able to be entered via sheet view and also when exported to be viewed with the detailed entered into such column, we are also going back to the previously endorsed documents and classifying them accordingly.