The customer will be able to upload one or more files from the Product page, Order Detail page and/or during the Checkout process according to the purchased items .all done using visual progress bars! All the uploads will be bounded to the order and optionally to specific products.

Demo
https://codecanyon.net/item/woocommerce-upload-files/11442983

Download
https://www.filecad.com/e77f/WooCommerce-Upload-Files-v49.2.rar