Please update your theme to the latest version.
Don’t forget to make backup your site before updating.
Here is video tutorial how to update theme: https://www.youtube.com/watch?v=KdWESIIPU1k
After that please update Revolution Slider, WPBakery Visual Composer plugins.
You can download the latest plugins versions at this link http://www.8theme.com/download-plugins/ ,
enter your purchase code of the theme to get the plugins.
What is your Shop page?
As I see you didn’t select it in Woocommerce > Settings > Products tab > Product Archive / Shop Page.
Then you should select Sidebar Position and Widget Area in Page Layout box in your shop page editor.
Shop Page -Tienda in spanish- it´s ok about sidebar. I remove the default image and replace by another too but below of this image I have the three products “candy carts” of the different subcategories. I have to put in this area the different categories like this: