• Open a new Terminal.app window
• Type cd (including the space)
• Drag and drop folder containing original PDFs into the terminal window. Now the command looks something like:

cd /Users/work/Desktop/My\ PDFs 

• Press Enter

To embed these individually append ?file="FILENAME" to the embed src link.

<script src="https://gist.github.com/fartinmartin/f6fe63328817a6eff17a07e60b2a6eb1.js?file=lookAtLayer.jsx"></script>

• https://gist.github.com/animoplex