When filtering posts by multiple taxonomies with Content Views Pro, you can choose AND/OR operator inside each taxonomy, and between taxonomies.
Below sample illustrates:
– OR operator inside Category, OR operator inside Tag
– AND operator between Category and Tag
It will show posts match ANY selected categories AND ANY selected tags.
You can show filters in checkbox (as below), button, dropdown, breadcrumb.
With checkbox type, you can select multiple categories, tags.
With other types, you can select one category, one tag at a time.