Sonar X1 was available as a box purchase and or a download.
From my recollection if you bought the boxed set you didn't get a download unless you bought that first then paid for the boxed discs.
X1 Expanded on the other hand was a download only. This was at the time when Cakewalk were just beginning to use downloads for products with Sonar 8.5 being the first download purchase.
If you know that this is not the case then get in touch with Cakewalk. As you navigate to your customer account open the webpage where the Product tab is, select the Feedback tab and from the drop down, pick, I have a product not showing on my account.
All the best.