Exporting audio for third-party mixing and mastering
If you want your music mastered, but don't think you have the skills or plugins to do it yourself, one option is to hire a mastering engineer. One benefit a mastering engineer can provide is an independent set of ears. They will hear your song from an outsider's perspective and may pick up on flaws or ways to enhance your music that you wouldn't think of.
If you want to send a song to a third party to mix or master your music, you should send all the audio from the Mixer Channels in your project. This way, the third party can apply additional effects to your sounds. To export each Mixer Channel as an individual audio file including the master channel, ensure that you're exporting WAV files and that Split mixer tracks is checked when exporting, as shown in the following screenshot:
Once they're exported, WAV files will be generated from audio...