Yes you can check and export the STP data that is being sent to the ATO through the STP ATO Lodgment page on the latest Payrun.
Navigate to Menu > Payroll > click Payslip for the latest Normal Payrun of the financial year > Complete Payrun > click Submit to ATO section
On the Single Touch Payroll ATO Lodgement page, you can view the STP data or export the STP data
Configure the Prepare to Lodge as standard and either click Review Data to view the STP data on screen or click CSV Export to review the data through a CSV file.