May i know what the current version of your theme? Because the latest version of Jkreativ is 2.2.9 and Visual Composer 4.4.3. Please still to use Visual Composer plugin version that come with these theme for compatible reason, because we’ve been make several change on those plugin to fit with our theme.
For shop page by default will not have footer element. Actually footer element only available on Landing page template and Single Portfolio with Extended Layout. You will need to make some change to have footer on the shop page.
For side navigation, please try to setup the JKreativ General Option when you editing shop page and adjust the Override Default Navigation option.