Hi there!

Actually, blog feature is from Joomla core and appearance related to template. SP page builder doesn't have anything to do with it. You need to create a menu of type category blog and select the category if needed.

However, you may find the following helpful:

https://www.joomshaper.com/documentation/helix-framework/helixultimate/blog-settings

And you can butify your article details page with sp page builder:

https://www.joomshaper.com/blog/beautify-your-joomla-blog-posts-with-sp-page-builder

Best Regards

You are welcome!