What is the effect of using a directors cut?

The use of a director's cut primarily serves to showcase the unedited vision of the director. A director's cut often includes additional scenes, altered sequences, or different edits that reflect the director's original intention for the film as opposed to the version released in theaters, which may have been altered for commercial reasons or runtime considerations. It offers audiences a deeper insight into the narrative and artistic choices made by the director, often presenting a more complete and fulfilling story.

In contrast, while issues like shortening the film length or creating a commercial version may be factors in other versions of a film, these do not relate specifically to the essence of what a director's cut represents. Additionally, while visual effects may be finalized in different versions of a film, this is not the primary purpose of a director's cut. The focus is rather on presenting the director's authentic storytelling vision.