Link Observations to a Drawing (iOS) Last updated Save as PDF Objective To add observations to a drawing using the Procore app on an iOS mobile device. Things to Consider Required User Permissions: 'Standard' or 'Admin' level permissions on the project's Drawings AND Observations tools. Steps To add observations to a drawing using the Procore app on an iOS mobile device. See Also To add observations to a drawing using the Procore app on an iOS mobile device.