Although beets are paleo, don’t let that confuse you because sugar beets are not the same thing.
Sugar beets are a natural grown plant. They contain a high concentration of sucrose and are primarily grown commercially for sugar production. For that reason I would have to say these root crops are not something I would choose to eat and would not recommend on a paleo diet.
Perspectives On Sugar Around The Paleo Community
Mark Sisson talks about alternative sugars in this article and Dr. Sarah Ballantyne, PhD (The Paleo Mom) has written several articles about the use of sugar and other paleo sweeteners and their uses and differences. This article is a great place to start to read more about what she has to say on the topic.