On the app click Pay to see paystubs.
Browser New Navigation:
With the new Paycor look, after logging into your profile, choose"W-2" or "Pay Stubs" at the top of the page.
Choose which W-2's you would like to print, download or view and then click "Print" on the right. To view pay stubs click "Pay Stubs" to the left of "Tax Documents".
Browser Old Navigation: