To view the status of a workshop job in the Point Of Sale, from the POS screen, select Recall Orders:
On the list of open order, use the filters to show only Type Workshop Job, or to find a specific order:
The Order Status column will display the current status of each order:
As an additional safety mechanism, to prevent workshop jobs from being completed in POS before they have been completed in Workshop Module, you will see this warning when trying to tender an incomplete workshop job through POS: