If you have bbPress active and have a forum set to private, then Beaver Builder shortcodes do not output anything for logged out users.
For example, a typical Beaver Builder shortcode such as the following will only display correctly for logged-in users when bbPress is active:
The solution is to add the
type="fl-builder-template" parameter to the
shortcode. Using the same example, the shortcode would look like this:
This prevents bbPress from interfering with the query to interpret the shortcode.