UWP: How to Export Notebook, Section group, Section or Page to PDF file in OneNote for Windows 10?

Question:
I am having difficulty figuring out how to export a OneNote notebook to a pdf file in OneNote UWP, how can I export OneNote's notebook as a PDF file?

Answer:
OneNote UWP does not provide export capabilities. It also does not provide the ability to export as PDF files.

Solution:
However, OneNote UWP provides print functionality.
In print page, you can choose ”Microsoft Print to PDF” printer.
 
Then, in the “Pages” option, you can choose:

1. Current Page
2. Current Section
3. Current Section Group
4. Current Notebook

 
This allows you to export as a PDF file by printing as a PDF.