Open the Notes app
Tap the compose button to create a new note
Tap the camera icon
Tap Scan Documents
Position the document in view of the camera
Wait for the scan to capture automatically
Adjust the corners if needed
Tap Keep Scan
Repeat for additional pages if needed
Tap Save when finished
To scan from Files, open Files
Tap the More button
Tap Scan Documents
Position the document in view of the camera
Adjust the scan if needed
Tap Keep Scan
Tap Save