To increase each category’s SEO scoring, you can append text or Elementor Global sections with various content, after the product’s grid.
Simply edit any category’s (or public archive) backend and locate the Bottom description options eg:
The content should be published right after the grid eg: https://d.pr/i/EmIONF .
Note: If this option is not available, first off, make sure the Attribute is set as a public archive https://d.pr/i/yigMbn and also make sure the module Archives Bottom Description is enabled in Rey theme > Modules manager , in the backend.