If they made the DVD a mixed content of DVD and text file, pdf. After inserting DVD press and hold the shift key, this will prevent the Video from starting. Then click on File Explorer, in programs menu. Open Explorer, and find the D drive which should be your DVD player. Now left click on the D drive. A menu will open. Then click on Open, you should now see all the files on the DVD disc. Look for the file, with a PDF extension. Click on it to pen it, or left click to copy and paste to a place you wish to read it as often as you like, more conveniently.