Once you complete the steps, the pages of the protected section will be available for anyone with access to the Windows 10 account. How to change password of a section in OneNote ...

You can organize your notes for work, school, and home with Microsoft's OneNote program. OneNote lets you create multiple notebooks, pages, and sections to organize your notes in.

Microsoft offers templates in different categories, like Academic, Business, Planners, and Decorative. You can also find third-party OneNote templates on the web.