Professional designer services are very expensive and you don't need to resort to them every time you need to make changes to a layout or create a simple design. I can advise good software for this to you and many useful online resources that will help you save your money on the services of similar companies. You can always use ready-made layouts, where you only need to add your drawings / logos / information, for example, those
https://www.ls.graphics/free-mockups/magazine-mockup are that I needed last time. This work doesn't require much time or special skills, it's very easy.
