Create button shortcode with link containing WooCommerce product slug or product title. Slug used by default here

dynamic-link-with-product-title.php

<?php
function dynamic_product_link_button_shortcode($atts) {
    // Parse attributes
    $atts = shortcode_atts(array(
        'text' => 'Fitting & Maat', // Default button text
    ), $atts);

    // Check if WooCommerce is active and a product is available
    if (class_exists('WooCommerce') && is_product()) {
        // Get the current product ID
        $product_id = get_the_ID();

        // Check if $product_id is not null
        if ($product_id) {
            // Get the product slug
            $product_slug = get_post_field('post_name', $product_id);
            
            // Generate dynamic link with product title
            // $dynamic_link = home_url('/custom-page/' . sanitize_title(get_the_title($product_id))) . '.pdf';
            // Generate the dynamic hyperlink with product slug
            $dynamic_link = home_url('/wp-content/uploads/sizes/' . sanitize_title($product_slug)) . '.pdf';

            // Output the dynamic link as a button
            return '<a href="' . esc_url($dynamic_link) . '" class="button" target="_blank">' . esc_html($atts['text']) . '</a>';
        }
    }

    // If no product is available, return a message or an empty string
    return ''; // You can customize this part as needed
}
add_shortcode('dynamic_product_link_button', 'dynamic_product_link_button_shortcode');