No. Grammarly gets no ownership rights to your text.
By using Grammarly, you are giving us a nonexclusive license to use your content in connection with providing our services. In other words, you’re giving us formal permission to provide writing suggestions to you and to use your writing to improve our algorithms. You remain the owner of your content.
We value the trust our customers put in us to keep their information safe and secure. Read Grammarly’s User Trust Guidelines to learn about our user-first approach to privacy and security.