Next is where there is a blank value in the Invoiced field, this is helpful to quickly identify orders which are not yet invoiced, but can there be an ‘Outstanding Orders’ button (filters all SO not invoiced) to get a quick list of these to analyse?
Lastly we don’t see the same Invoiced field for Purchase Orders, again this and/or an ‘Outstanding Orders’ button would be very helpful for identifying outstanding orders for analysis.
Show screen shots of the Edit screens for a related sales order and sales invoice. I think you have edited something during or after the copying process.
The status monitoring flow that was introduced for sales-related transactions does not exist for purchase-related transactions.