5.4 Blog Options

in Appearance -> Customize you have several tabs with option that allow you to customize your blog.

Blog Options

In this section you can customize your blog, choose the blog layout (sidebar or full-width), chose Blog style (more about it http://purethemes.helpscoutdocs.com/article/44-homepage-layout )

Scroll down the section to unveil option for blog elements configuration - you can decide here if you want to show categories, author, date etc on single posts and blog posts view