Add aan extra description to your WooCommerce product archive with ACF

functions.php

<?php
/*
Place this code in your functions.php file to show a short description before the grid on product categorie archive pages.
Disclaimer: Use this code snippet with extreme care and at your own risk.
*/
add_action('woocommerce_archive_description', function() {
	if (!is_paged() && is_product_category()) {
		if (function_exists('get_field')) {
			$term_id = get_queried_object()->term_id;
			echo '
			<div class="more-category-info">
				'.get_field('introtekst', 'product_cat_'.$term_id).'
			</div>'; // change the first attribute to match your own field name
		}
	}
});