Use this snippet to display a “Load More” button for appending additional component options, instead of using pagination.

woocommerce-composites-append-component-options.php

<?php
/**
 * Plugin Name: WooCommerce Composite Products - Append Component Options
 * Plugin URI: http://www.woothemes.com/products/composite-products/
 * Description: Use this snippet to display a “Load More” button for appending additional component options, instead of using pagination.
 * Version: 1.0
 * Author: SomewhereWarm
 * Author URI: http://www.somewherewarm.net/
 * Developer: Manos Psychogyiopoulos
 *
 * Requires at least: 3.8
 * Tested up to: 4.2
 *
 * Copyright: © 2015 Manos Psychogyiopoulos (psyx@somewherewarm.net).
 * License: GNU General Public License v3.0
 * License URI: http://www.gnu.org/licenses/gpl-3.0.html
 */
 
// To use this snippet, download this file into your plugins directory and activate it, or copy the code under this line into the functions.php file of your (child) theme.

add_filter( 'woocommerce_component_options_paginate_results', 'wc_cp_append_component_options', 10, 3 );

function wc_cp_append_component_options( $paginate, $component_id, $composite ) {
	return false;
}