When looking at a document in a pathway, it should be possible to download that document at the bottom of the screen. Sometimes, it is impossible to see the download button simply by scrolling down to the botton of the document:
To view the download button, you must scroll down on the browser (not the document) on the right hand corner of the screen:
The bottom of the screen also gives you options to: adjust the zoom function on the screen; and Print to PDF.
Other Solutions
If you are struggling to find the save, next or download button it may also be a screen resolution issue:
Finding the Save, Next or Download Button