By default Microsoft Edge blocks pop ups. Since PDF's are produced in a new tab, Edge may block it from opening. Follow these instructions to unblock pop-ups for Educa.
Select Download PDF from the bottom left of the Print Story page
Wait a few moments, then check the right hand side of your address bar for a notification Pop-up Blocked. It will flash for a moment and then be replaced with just the icon
Click on the icon and select Always allow pop-ups and redirects from *your Educa site* then press Done.
Click Download PDF again, wait a few moments for the request to be processed and the PDF should open correctly in a new tab.