There is an option to change the layout of the page, blog/archives, and single post.

Go to Appearance >> Customize >> General Settings >> Sidebar Layout

Blog/Archives

In the Blog/Archive option, choose the layout for the blog or archive from the given layouts such as Left sidebarRight sidebarContent centered, and Stretched.

Single Post

In the Single post option, choose the layout for the single post page from the given layouts such as Left sidebarRight sidebarContent centered, and Stretched.

Page

In the Page option, choose the layout for the page from the given layouts such as Left sidebarRight sidebarContent centered, and Stretched.