If you will produce a modern-sounding mix, you have to use compression. However, it is a bit tricky. There is a handful of plugins available, too many parameters to tweak, and countless things you can do with it. You could easily get overwhelmed with all the options.
Honestly, there’s a bigger chance that you would make a mistake in using compression. There are 9 pitfalls to stay away from but there’s nothing to be anxious about. You’ll get used to compressing as you go along. To help you get started here’s a cheat sheet that will guide you on how to use compression like a pro.
Read more about this here: https://theproaudiofiles.com/compression-mistakes/