There is an option to change the layout of the page, blog/archives, and single post.
Go to Appearance >> Customize >> Sidebar Layout Settings
Blog/Archives
In the Blog/Archive option, choose the layout for the blog or archive from the given layouts such as Left sidebar, Right sidebar, Content 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 sidebar, Right sidebar, Content centered, and Stretched.
Page
In the Page option, choose the layout for the page from the given layouts such as Left sidebar, Right sidebar, Content centered, and Stretched.
Change the Sidebar Layout of an Individual Posts/Pages
To change a different layout of any individual page. Follow the below steps to do this:
- Go to WordPress Dashboard >> Pages >> All Pages.
- Choose the page that you want to customize.
- Check Layout Settings at the bottom of the page.
- Go to the Layout option, under the Layout Settings.
- Under the Layout option, select the layout from the given layouts such as Right Sidebar, Left Sidebar, Content Centered, and Stretched. (From Customizer option mean to select the layout from the customizer options.)