Combine multiple Sales Orders into one PO for Dropshipping


We have recently started using ERPnext as our main accounting system and its really amazing.
I have tried to search for this exact issue but could not find the answer.

We mostly drop-ship products directly to our customers. When we create a Sales order, we mark the items as Drop ship and then we proceed to create purchase order from it. This opens up the PO screen with Drop-ship section visible and items linked to the SO. This is all great.

But we would like to combine multiple such Sales orders into one purchase order with drop-shipping section(Customer info) visible. I have used Material Request feature to combine SOs to one PO but the drop-ship section(Customer info) is not visible. Is it something that is missing in my workflow or is there a way to enable it through customization?

Thanks for your help