Sale order would be created by X. but sales invoice and DC would be posted by different person. The posting of sales invoice will be done based on the item (ready after Quality spec) hence they want to find the sale order for a particular item number ..
Answers
you can look at the item ledger entries see doc #
you could run the item sales by customer report
or customer item statistics report
http://www.BiloBeauty.com
http://www.autismspeaks.org
http://www.BiloBeauty.com
http://www.autismspeaks.org
Regards,
Vijayan.R.V