There are a couple of ways to determine if your payroll has been successfully submitted.
During the payroll process, you will submit your payroll via the Submit button and agreeing to the terms. Once you've agreed to the terms and processed payroll, you will see a green box as shown below to confirm your payroll was submitted successfully:
You can also see any previous processed payrolls by clicking on the payroll button on the left-hand side then select Payruns.
Under your Payroll Dashboard, you will see a column labeled "Status" that lists if a payroll is processed or in progress.
Click the check date to view or continue the payroll.