Reg. Conversion Of Planned order to process order

Dear All,

I am a fresher in in SAP-PP module.

If I have 2 different sales order of two different customers with same material code, after running MRP, does system will create two different planned order for that same material or create one combine planned order for it. If it creates one combine order, , then what to do to create two different planned orders.

Thanks in advance.

A.Pillai