The the7 theme allows you to control archive layout by selecting a page in Theme options > Archive but there is no option if you want to assign different archive templates for categories. for eg News archive want a list layout and Event archive to want to display in masonry grid. This can be done
Header layouts in The7 theme is global, there is no option to change it on a page wise. When you use Microsite template, you can hide/show header, select a different menu, logo etc, still no option to change header layout etc. This can be achieved by changing The7 config values using hooks.
The7 theme have additional meta boxes like page header, sidebar options ect for pages, posts and portfolios. See below how to add the same to your custom post types.
Try below code in your funcions.php to add tags to portfolio post type in The7.2 theme.
Some users customize javascript file from the parent theme to meet their requirements. but the modification overwrites whenever they update the theme. In such a situation you can keep the modified files in your child theme and load it instead of the one from the parent theme.
Portfolio breadcrumb link in the7 always link to the archive page, to chnage it to your custom portfolio page listing, place this ciode in your child themes’ funtions.php
The7 multi purpose theme have page header options where you can set a fancy header, slideshow as page header, but these options cannot set for dynamic page like category, archive, search etc and here is workaround for deal with it.