It's very easy to upload and link your PDF to your Joomla site, you can also add Word documents, txt files, mp3s, and whatever else you can think of. Here's how you do it.
- Make sure you're editing an article in your Joomla Article Manager.
- Highlight and select the text you want to link, click on the "Insert/Edit Link" icon, a new window will open.

- Click the "Browse Server" button, a new window will open.
- In the new window click "Browse," find your file, and click the "Upload" button.
- Select the file you've just uploaded, the window will close.
- Lastly click the "Ok" to confirm the file you've selected.
You're done!