You can add as many pages as you want to your study notes.

Here’s the steps of how to add note page:

1. Tap the Preview icon and enter the page preview mode
2. Select(long press/ select icon) target pages.
3. Tap any ‘+’ icon to add blank PDF pages
4. Tap Grey ‘+’ icon at the end of note pages to add blank note page
5. The added note page is consistent with the previous page style

Or just swipe left to add a blank note.