If the view is set to create articles, it will create/update the article and assign the selected category. By that, your website users will be able to choose the category under where the article should be stored.
In the form field settings you may choose a category starting node to limit the categories a user may choose.
Requires ContentBuilder to operate:
*** Version 1.1 - fixes a bug with UTF-8 entity encoding
Please note: This is a plugin for the built-in form builder, not BreezingForms!