Using Power BI, it is possible to research all individual transactions by employee by store and date.

1) Navigate to Sales Detail Transactions > Payment Info on Power BI

2) On the top-right, click the Open Filter Pane

3) Select the information you'd like to research, including Store Name, TimeStamp, and Employee name

4) All individual transactions will show on the table

5) If you'd like to see what payment method was used on a specific transaction, right-click the transaction ID you'd like to check and click Drill Down

The Payment Method and Payment Amount will be shown along with the transaction ID