LOL, are you serious? I've toured more companies including NASDAQ ones than I can remember. I don't recall any of them having a link proving that I'm allowed to go check them out. I've never had a company tell me, no matter what size, that they don't allow tours.
(of course certain areas are off limit to keep trade secret info)
I don't expect JBII to be any different. And people have been taking tours of companies long before the internet existed and there were links.