Add/Display ACF Field Group with Single Business

add-group-field.php

<?php
/**
 * Get acf group fields
 *
 * @return void
 */
function get_acf_group_field() {
	$acf_group_fields = acf_get_fields( 'group_652f89c399d0b' );// replace it with group key
	return $acf_group_fields;
}

/**
 * Display acf group fields in contact tab
 *
 * @return void
 */
function display_acf_group_fields_in_conatct() {
	acf_form_head();	
	$get_group_fields = get_acf_group_field();
	$fields = array();
	foreach ( $get_group_fields as $_field ) {
		$fields[] = $_field;
	}
	acf_render_fields( $fields, get_the_ID() );
}
add_action( 'business_profile_after_contact_info', 'display_acf_group_fields_in_conatct' );

/**
 * Save acf taxonomy fields
 *
 * @param  mixed $post
 * @return void
 */
function save_taxonomy_fields( $bp_business_id ) {
	$get_group_fields = get_acf_group_field();// replace it with group key
	foreach ( $get_group_fields as $get_group_field ) {
		if ( isset( $_POST['acf'] ) && ! empty( $_POST['acf'] ) ) {
			foreach ( $_POST['acf'] as $acf_fields ) {
				wp_set_post_terms( $bp_business_id, $acf_fields, $get_group_field['taxonomy'], false );
			}
		}
	}
}
add_action( 'bp_business_after_save_business_setting', 'save_taxonomy_fields', 99, 1 );

/**
 * Show Business taxonomy
 *
 * @return void
 */
function show_taxonomy_in_about_section() {
	$get_group_fields = get_acf_group_field();
	foreach ( $get_group_fields as $get_group_field ) {
		$get_terms = get_the_terms( get_the_ID(), $get_group_field['taxonomy'] );
		if ( ! empty( $get_terms ) ) {
			?>
	<h2><?php echo 'Display' . ' ' . $get_group_field['label'] . ' ' . 'Taxonomy'; ?></h2>
			<?php

			foreach ( $get_terms as $get_term ) {
				?>
				<ul>
					<li> <?php echo esc_html( $get_term->name ); ?> </li>
				</ul>
				<?php
			}
		}
	}
}
add_action( 'bp_business_profile_after_render_contact_info', 'show_taxonomy_in_about_section' );
?>