Simply, you can setup the Blog in the backend here. Go to your Dashboards > Appearance > Cueto Options > Blog Settings:
1] Sidebar Position: Set the Sidebar Position of Blog here.
 Blog Layout Style: Select a layout for the blog.
 Continue reading: Choose a continue reading text for the blog here.
 Blog loop content: Click The Content button to show the blog content, or click The Excerpt button to show the excerpt on loop.
 The excerpt max chars length: You can setup the excerpt max chars length for blog layout style here.
 Blog Loop Metas: Setup the Blog Loop Metas here. You can choose Author, Comment, Tags, etc…
 Enable Author Bio On The Single Post: Click Enable button to show Author Bio On the Single Post, otherwise click Disable.
 Enable Single Post share links: Click Enable button to show Single Post share links, otherwise click Disable.
At last, click on “Save Changes“.