Usage: You just simply need to put the shortcode into your site, and it will do the job. Upload your PDF to Media Library Make a new post at the Lightbox PDF menu Set the title, thumbnail, select an mp3 file and select a pdf file Check the ID of the created PDF post Put the shortcode wherever you need The shortcode looks like this: [lbpdfviewr id={ID of the LightBox PDF you want} type={button / thumbnail} audio={true / false} class=”{custom css class}”]