My Apple Pay later card is not showing in my wallet

Congratulations, welcome to the beta program. Do you have Apple Pay/Wallet installed? If so, go to your iPhone and open the Wallet app and tap the + symbol in the upper right corner of the screen. What for the screen to populate/update and look for your offer in on the new screen. Should say something like >Setup Apple Pay Later.< Tap the tab to open up the application.

If you have issues, make sure iPhone is updated and do a forced restart if necessary.

Update iOS on iPhone - Apple Support

Once updated, please do a forced restart of your iPhone.

Force restart iPhone - Apple Support

Make sure your are signed into your Apple ID/iCloud account on your iPhone.

Sign out of iCloud on your iPhone, iPad, iPod touch, Apple TV, or Mac - Apple Support

Did your receive an invitation to the program? It would have been emailed to the email associated with your Apple ID/iCloud account.