No. You will always be allowed to monetize your videos with Epidemic Sound's music, even if you leave Freedom!. The only exception is that you may not upload any videos with Epidemic Sound's music after you leave (unless you purchase a license from them).
For more on Epidemic Sound, check the FAQ's below:
- Epidemic Sound - How to use their music
- Do I lose revenue when I use their songs in my videos?
- What do I do if I receive a copyright notification using Epidemic Sound music?