Can we restrict Supplier access by Business Unit

Summary:

We have Multiple BU's and buyers are assigned by BU. We want the buyers to view only the Suppliers whose Sites are enabled to the Business Unit. Currently we can see all the suppliers, Supplier addresses, Supplier Contacts by all the Buyers. We can only restrict Supplier Sites Access by BU to the Buyers.

What we want is in Supplier..Sites.. Site Assignment.. is for BU1,2 and 4..Then BU3 cannot view this Supplier.

Is that possible ?

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