A Check Box can be used for a boolean value input field. It can either be checked (true) or unchecked (false). There are options to set a Shortcut and Input Type.

Unique Settings: Field Examples | Guidance | JSON

Shortcut: Add a keyboard shortcut to check/uncheck the component.

Input Type: The input type can be changed from a single-value checkbox to a multi-valued radio component.

The Radio type option is used when setting up dynamic Radio values for a PDF First form.