I use noise reduction in every Audacity project that I edit. It’s a good practice and it always contributes to your podcast episode sounding as clear and professionally edited as possible. This video is one of the free previews included in my Udemy course, Audacity Bootcamp: Beginner to Advanced.
You’ll find my Udemy Audacity course by visiting https://www.udemy.com/course/audacity-bootcamp-beginner-to-advanced/.