build me a 50 guest post review/article with backlinks dofollow for my two business websites

I need to create 50 reviews of two sites that speak positively, the contents of the articles are already in my possession, I would like to have 50guest/post where they will be published and with backlinks dofollow inside so as to send the visitours when click then to the site in questions, they are business sites and app if anyone has something to offer me contact me. the sites required at least 25+ DA 25+ PA authority