Using form personalisation is it possible to make supplier and supplier site optional on Blanket pur

Hello,

We have a requirement where in the supplier and supplier site details need to be optional on blanket purchase order ?

once the procurement creates a banket purchase order it will go through series of approvals and at later stages we will come to know the supplier and supplier site details.

As soon as we come to know the supplier and supplier site details we will add it to the blanket purchase order.

Is this possible using form personalisation ?

Many Thanks,

Dionne