Site Sculptor is a site creation tool, it is not intended to manage the site once it has been created.
There is no option for modifying a site created by site sculptor, you would need to manually create any new page you wish to add to the site.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.