Can you use multiple Requisitioning BU to one Procurement BU

Summary:

Is it possible that you can use multiple Requisitioning BU´s to one Procurement BU,

in such a way that i doesn't have to set the new Req. BU on all my suppliers and projects etc. ? (so it takes data from the default procurement BU)

I still need the same suppliers, the same projects on all my Req. Bu´s....

so it will create a lot of unnecessary work for me if I should set up every single supplier and projects etc.

I only need multiple req. BU in order for me to set up a better search (content zones) in procurement for my requesters, nothing else.