You can temporarily hide/unhide a Contentbox section.
Note - this does not stop the content from being published to the live website - the content will be part of the page but will be hidden from view.
You can choose to hide the section for a specific period of time via the SHOW AFTER, SHOW UNTIL date fields. The Hide Section button does not need to be enabled for this.

If a Contentbox section is set to hidden the entire section will show with a light blue background and dotted border. There will be a label in the corner indicating HIDDEN CONTENT as per the example below: