You can publish a single notebook. Published notebooks have a cleaner layout intended for reading or presenting the notebook outputs.
A published notebook is independent from your project, therefore the changes are not reflected in real time and you will need to re-publish the changes made to the notebook.
You can do this by simply hitting the
Publish new changes button. The published notebook can be read by anyone, no login is required.
In addition to that, a published notebook can be discovered by search engines if it's linked to elsewhere on the web. You can at any time turn off the publishing of a notebook.