You can! Just search for Harvard Business Review, or for an article title in SOLAR, and follow the View It link.
There are a small number of articles (less than 5% of the 12,000 HBR articles available) where you are not allowed to print or save the full text of the article.
You can still read the text online, but you can't print it out... see the image below for what this looks like :
If you follow a link from SOLAR or another database and see the message
The publisher offers limited access to this article. The full text cannot be viewed from a persistent linkthen you should search for the article title and author surname in the search boxes at the top to locate the article page and PDF full text option. See the video showing this here http://screencast.com/t/EY0I0IYwjtt
Image from Houghton Modern