Before publishing documentation, section, or article you can preview them.
Preview Documentation
To preview documentation click on the Dashicon beside the documentation like the below screenshot,

You will be able to see the preview in frontend,

Preview Section
To preview a section again click on the Dashicon beside the section like the below screenshot,

Here is the frontend preview of the section,

Preview Article
To preview a section again click on the Dashicon beside the article,

Final preview,

This is how you can preview all the content of your documentation using weDocs.