No, you can’t use your Atlas Card for Apple Cash payments.
But you can transfer Apple Cash to your Atlas account by using your account and routing numbers.
How to Add Your Atlas Account to Apple Cash:
Open Apple Wallet.
Select Apple Cash.
Tap the three dots in the top-right corner.
Choose Transfer to Bank.
Enter the amount you want to transfer.
Select ACH (bank transfer).
Add your Atlas account and routing numbers.