How to display section labels from the layout builder interface on the frontend of your website when the custom layouts are displayed.

functions.php

<?php
/**
 * Print labels at the start of a section
 * in the layout builder.
 *
 * @param string $section_id ID of current section.
 * @param string $layout_id ID of current layout the section is in.
 * @param array  $data All of the section's display opion data.
 */
function my_section_top( $section_id, $layout_name, $data ) {

    echo '<div class="section-label">' . esc_html( $data['label'] ) . '</div>';

}
add_action( 'themeblvd_section_top', 'my_section_top', 10, 3 );