you need to configure your shop page this way:
1) navigate to Dashboard > Woocommerce > Settings > Products > Display and set ‘Shop page’ if you have not selected it yet.
2) set ‘Shop Page Display’ to ‘Show categories and subcategories’, save changes.
3) navigate to Appearance > Widgets and add widgets(‘Woocommerce recently viewed products’ or any other) to Shop Sidebar if needed.
If you have any additional questions – let us know!