To help you stand out during the job search process, it is vitally important to have a cover letter to help you stand out. Unless it is stated that you do not need to submit a cover letter with your application documents, you should plan on including one. A well written cover letter should showcase your skills, abilities, and qualifications.
https://www.ziprecruiter.com/blog/cover-letters-how-when-and-why-to-write-them/