Follow these steps to view documents:

Select a Document to View:
When you've found a document that you'd like to view, click on the "click here" in the document listings where it says: “To View PDF file of this publication, click here”

Choose a PDF File:
When the popup appears, note how long the download can be expected to take under the PDF file name. Click on the PDF file name (it ends with ".pdf").

Login to Download:
If the pop-up window asks you to login, do so in order to view the document. If you don't have an account, apply for instant access using the bottom portion of the login form. When you are done logging-in or registering, you'll see the PDF file name again. Click on the PDF file name.

Then, just wait for the download to complete.
Your computer will ask whether to "Save" or "Open". Choose "Open".