Change your Notes settings on iPad
In Settings, you can customize your preferences for the Notes app 
. Choose the default account for new notes, set a password, and more.
Customize your Notes settings
Go to the Settings app
on your iPad.Tap Apps, then tap Notes.
Adjust any of the following:
Accounts: Add or remove accounts in Notes.
Siri: Allow Siri to make suggestions across apps based on the way you use Notes.
Search: Allow suggestions and content from Notes to appear in Search and widgets.
Notifications: Change notification settings.
Language: Choose your preferred languages (option appears when multiple languages are added).
Default Account: Choose the default account when creating notes using Siri and the Notes widget.
Password: Lock important notes.
“On My iPad” Account: Turn on the On My iPad account.
Mention Notifications: Receive notifications when your name is mentioned in shared notes.
Viewing: Choose viewing options such as the sort order, lines and grids, and group notes by date.
Quick Notes: Choose corner gestures to quickly create a new note or resume the last Quick Note.
App Links: Get suggested app links.
Auto Convert to Tag: Automatically change #text to a tag when typing a space.
Save to Photos: Save photos and videos taken in Notes to the Photos app.
Access Notes from Lock Screen: Choose Always Create New Note or Resume Last Note. Or turn it off to prevent access from the Lock Screen.