I wanted to share my true story as if I were writing a fictional story. For example, the author Terry McMillan's novel called, "Disappearing Acts", wrote a fictional story shared with her many readers while I am sharing my story as if it were a fictional story. Because my story is true, I made sure that all names were changed. I chose to share my story as a fictional story because my readers connect better with my story being written as if my story was actually fictional. For example, my readers connecting with a fictional book with fictional characters like Mary Monroe's "God Don't Like Ugly." I chose to use my true story about the abuse that I had endured at an early age, both physical and sexual adolescent abuse, to connect and help other victims better.
What you are writing is described as an autobiographical novel. There have been many, so they are indeed all right.
Absolutely! Many authors have already done it before. I think that writing your memoir as a novel makes it more engaging. Many authors have already done it before, such as the book "Educated by Tara Westover.