We’ve taken into account your requests. Some of them are already fixed:
3. You can use Place in header top bar widget area (language field in header);
4. It’s already fixed and spacing is added;
7. We’re working on it and the next theme version will have VC as a separate plugin;
8. You can turn on/off sidebar for each post when editing it. At the right side you’ll find the options “Page Layout”;
9. Visual Composer will help you to create columns.
