Open the Notes app
Create a new note or open an existing one
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
Use the Files app if you want to scan from there
Open Files
Tap the More button
Tap Scan Documents
Position the item in view of the camera
Save the scanned file to your chosen location