The virtual card, in purple, is the card whose data and information can be accessed at any time via the Cobee app.
You will not need a PIN to make payments with this card at the ATM through your phone's wallet. The PIN that you can request through the application is only for the physical card, the green one.
In order to complete a payment with your virtual card, you will need to use the verification factor that you have configured on your phone: an alphanumeric code or a biometric factor (fingerprint, face, etc).