I am sorry for the confusion here. The notes application need to be accessed via dashboard page instead of profile page in order for that button to appear. Please give it a try.
The Profile page is usually for viewing information about the user especially from other users' viewpoint. People that want to view user profile will see this page. It is more for display than control.
The Dashboard can only be accessed by a specific user and allows more editing options.
The reason why the Notes is limited to the Dashboard is to prevent unauthorized user from gaining access to the Notes from the Profile page.
You are most welcome. Glad to hear that your issue has been resolved now.
As a gentle reminder, kindly start a new thread if you have any other issue in the future so it will be easier for us to manage your inquiry. I will lock and mark this thread as resolved.