To view the candidates that have been added to your Natural HR system, browse to:

Recruitment > Candidates

When using the card view on the candidates' page, you have the option to add a note via the Notes action at the bottom of the screen.

Or this  icon at the top of the screen.

When clicking on this icon, a floating window appears which allows you to add the note for the candidate

When clicking Submit, this will appear in the notes section of the candidate card.

Next, browse to the notes page by clicking on the Notes icon at the bottom of the screen.

Here you will see the note you created. Clicking on the magnifying glass will allow you to view the content of your candidate note or you can edit or delete the note