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  Views Work
  Track pageviews and content popularity in Craft CMS
  
  
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  Craft CMS Poll plugin
  This plugin has been abandoned and no upgrade for Craft 5.x is planned!
  
  
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  Reactions Work
  Add Facebook/linked style reactions to your Craft CMS content
  
  
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  Yard Reports for Craft CMS
  Export Sprout Forms as Excel CSV reports
  
  

If 'auto approve' is off (in settings), you can manually approve comments.

Go to the 'Comments Work' menu item in the left pane of the control panel, and you can edit comments and change their status.

Configure wether comments are automatically published in the settings screen: