Merge the Multiple POs to single PO if Vendor of PO's are Same

Merge the Multiple POs to single PO if Vendor of PO's are Same

Hi @Anonymous User  @Anonymous User  @Anonymous User  @Anonymous User  @Anonymous User  @Anonymous User 
@Anonymous User  @Anonymous User  @Anonymous User  @Anonymous User  @Anonymous User 

 Merge the Multiple POs to single  PO if  Vendor of PO's  are Same
 
Please  provide any work around to achive this .