Chapter 5: Approve a Virtual Card. Geethu Katherine Johnson September 03, 2020 15:11 Updated Approve a Virtual Card takes you through the process of approving a Virtual Card request in Airbase. Relevant Articles Approve a Virtual Card request Approve Virtual Card requests using Airbase mobile app. Related articles Chapter 6: Physical Cards. Chapter 7: Request a Purchase Order. Manage Single Sign-On in Airbase. Approve/Deny Virtual Card Requests on Slack. Chapter 1: What is Airbase? Comments 0 comments Please sign in to leave a comment.