Consider this scenario with ACF:
- CPT:
movie - Movie Fields field group
- Author field of User-type
- Field group location: Post Type = Movie
- Author Fields field group
- Author Title custom field of Text-type
- Return Format: User ID
- Field group location: User Role = Author
“John Briley” user:

“Gandhi” movie:

The requirement is to show John Briley as the author when Gandhi movie item is being viewed on the front end followed by a hyphen and John Briley’s Title.

This Pro tutorial shows how this can be done in Bricks.
Create a template named say, “Movie” of type Single.
Edit it with Bricks.
Apply it to movie CPT.

Add a Section having Post Title and Post Content.
Add another Section having “Author” h2 Heading and a Container > Block.
Enable query loop on the Block.
Type: Users
Roles: Author
Add a Basic Text inside the Block having:
{wp_user_display_name} - {acf_author_title}
This should show all author users in the site. We need to filter this list to only the author that matches the current post’s author post meta.
Enable “Query editor (PHP)”.
return [
'include' => [get_field( 'author' )],
];
Reference
https://academy.bricksbuilder.io/article/filter-bricks-users-query_vars/