You can see ‘Post widgets’ if you open any post.

Now you can see this widget under your post. If you add widgets ‘Sagablog: Popular posts (slider)’, ‘Sagablog: Recent posts (slider)’ or ‘Sagablog: Related posts (slider)’ you will see this (1). If you add widgets ‘Sagablog: Popular posts’, ‘Sagablog: Recent posts’ or ‘Sagablog: Related posts’ you will see this (2):