To activate your cards, simply, log in to the app, select the "Cards icon 💳" in the black floating menu bar, choose the appropriate card by tapping on the image of the card (debit or credit) and then toggle the button to enable your card, this will successfully activate your card for use.
You can set/change your PIN right on the Sable App. After logging in, Select Cards>Choose Physical Debit card>Change PIN>Set your PIN>(Choose 4 digit PIN)>Press Next>Your Card PIN has been set. Your pin is the same for both your virtual and physical cards. You may change the PIN at any time by accessing the Cards > Set PIN section in the mobile app. As a reminder, please do not share your 4 digit PIN with anyone for security reasons. You will then be able to use your card to make purchases online or in-store purchases or withdraw cash at an ATM.