In here, porto manages the layout of the Portfolio Archive page. You can build this page with Archive Builder easily. But in this case, some options should be not worked correctly.
Control the layout of the Single Portfolio page. Porto also offers the Single builder. The page built with the builder doesn’t receive the some of theme options.
Related Portfolio Carousel
Single Portfolio has the related posts. Here, porto manages about layout of the related portfolios. Instead of that, you can build with type builder and single builder. soft mode(Full Site Editing) doesn’t have this options.