Regarding to the issue on sales receipt from Minburi, I think you may query from the database to map between sale ID & employee ID who own that transaction.
If you have any question/concern please feel free to contact me.
By the way, could you please updated status of below changed in production server?
1. Able to print sales slip with new format that meet the requirement from Finance team
2. Report generate will separated by location (HQ, Minburi, Gateway)
3. Able to separate limitation of purchasing product/employee/month
4. User interface improvement that easy see (Bold text / increasing contrast)