How to Hide Fields in Supplier Portal Agreements Form

Summary:

Need to hide fields for Supplier Portal View Only, and how to achieve this without using a Implementation Consulting role. The requirement is to hide the agreement amount, release amount, start date, and end date for the Agreement under Supplier Portal only. We still require to see the same fields when accessing the Agreement from Procurement menu. In summary, we want these 4 fields to be hidden when accessing the Agreement under the Supplier Portal menu but visible when accessing the Agreement form under Procurement. Please see the following screen shot.

I tried the following:
With Implementation Consulting role added to my username, I need to have access using my user as consultant to hide the fields for supplier portal users only.