How can we hide DFF on PO lines

Summary:

We have a requirement to hide DFF on PO lines while in edit mode.

Content (please ensure you mask any confidential information):

Hi,

We have 3 DFFs on BPA header which we were able to hide on PO successfully using this EL expression #{bindings.DocStyleName.inputValue == 'Blanket Purchase Order'} on PO's header via page composer but we faced a problem while hiding DFFs on PO lines in edit mode. We have total 5 DFFs from which we don't want to display 2 DFFs on PO lines. We were able to achieve even that too but only on view mode, but DFFs are still visible on PO lines when we create or edit the PO. We are not able to see "Additional Information" on PO