Here you get a complete overview of the building block Checkbox in FORMS Builder:
Enter the title for the checkbox. If no title is entered, it will not appear on the PDF.
Add relevant information under "info" to assist the reader in understanding what to do.
Choose whether the points should be "vertical" or horizontal (standard).
Choose the option for "multi-select," if one can choose more than one checkbox.
Press "Add new value" to add a checkbox, repeat for more.
In "checkbox title," enter the description for the point.
Check "Conditional" to have the option to add an additional item to this point (like "Text Field").
See the video below for how to:
(Press "f" to view it in full-screen, and press "f" again to reduce it.)