Filter Posts Based on a User / Author
You can manage the filter to Include or Exclude posts created by one or more authors.
You can combine Type&Taxonomy/Term with Author filter.
Include / Exclude Author
Dynamic Author (For Archive or Post Template)
If the widget is used in the author page template, you can filter the owner's posts dynamically.
If you use this option in the Template used for a Singe Post page, the Widget will display all the Posts made by the same author.