Hey Adam!
Can you explain further by what you mean with voice tone effects?
When you route your audio to a mixer insert in FL Studio, you can then add mixing VST Plugins onto the vocal, and start creating your own vocal chain.
You can add in plugins like EQ’s, Compressors, Reverbs, Delays, or things like Chorus, Distortion and more!
You should definitely view my FL Studio Mixer Workflow course!