There definitely are some issues with the JD Tour Showcase free version, which we have managed to solve it in our dev version, like I said in one of your earlier posts we are planning to release it soon.
If you like our support and products, tweet us at joomdev and let the world know about it.
Or check the template settings of the pages. This is the first two things I can think about for now.
The administrator has disabled public write access.
JoomDev is not affiliated with or endorsed by Open Source Matters or the Joomla! Project. The Joomla! logo is used under a limited license granted by Open Source Matters the trademark holder in the United States and other countries.