Once duplicated, move to the area you need it to. (you'll notice that it will 'snap' its self to the same grid as the other photos and pink lines will appear)
paste the web address in the bar and select OK
First using one of the ones already uploaded, hold down shift and click on the photo, text and button. click CTRL+C then CTRL+V to duplicate.
move to designated area
you can now see the link is to the newly uploaded PDF. so click OK
Like on the other pages, copy and paste one of the already designed links (picture, text and button)
paste the link into the box and click OK
Again copy the picture, text and button from an existing book link