You can make PDF documents available for download from your website.  Here are the instructions:

1. Upload PDF via the Image and File Manager
2. Open the page you wish to put the PDF on
3. Add the text you wish to link - e.g. "Click here to download PDF"
4. Highlight that text and click on the Link icon 
5. Choose Website Images from the first dropdown menu
6. Choose the PDF from the second dropdown menu
7. Click OK

This will make a hyperlink they can click on to access the PDF and download or view.