We can embed and display documents such as PDF’s in the body of an article. It does this by using Google documents to render the document. You can include PDF’s MS Word docs and lots of other things. Just be aware that it can take a second or two to do the renfdering
How to use it
It’s very easy to embed a document in any content article. Just use the following code:

Link to the instructions is here
If you need to embed external documents (from external sites), just write the full address of the document (remember to include http://…).
Example:
{edocs}http://infolab.stanford.edu/pub/papers/google.pdf,600,300{/edocs}
Copy the line below to give the user a clue as to how to expand the document.
Use the icon to expand the document in a seperate window.
You will notice the icon which is stored at images/system/expand_link.jpg and the line has beeen indented using the indent tool on the text editor