Pro 12 — Wavelab
You need an MP3 for a private SoundCloud link, a WAV for the label archive, and an M4A for Apple. WaveLab Pro 12’s Batch Processor does all three simultaneously. Furthermore, it writes the ISRC and UPC metadata directly into the file headers—something most DAWs cannot do.
However, if you are a professional mastering facility, a broadcast house, or a high-end audiobook producer, wavelab pro 12