The buttons allow you to display the document in Print Layout Read Mode Web Layout Outline or Draft view.?

The buttons in your document interface enable you to switch between different viewing modes: Print Layout for a traditional page view, Read Mode for a more focused reading experience, Web Layout for a view that resembles online content, and Outline for structuring and organizing your document. Each mode serves a specific purpose, enhancing usability based on your current task, whether you're editing, reading, or formatting. This flexibility helps streamline your workflow and improve productivity.