Hello,
I want to use the size guide to show some information to our visitors. However, the name of that tab wouldn’t be sideguide but HOW IT WORKS. I created a tab and try implementing that. But it is showing the tab name as size guide only. See screenshot.
No, there is no option, Main Sidebar will be for all the categories. Alternatively, you can create a page where you show posts of a certain category in one column, your custom sidebar shown and by means of the widgetized sidebar element in another column. However, when the user clicks the category he will get to the category page where one sidebar will be for all