Not yet in an automated fashion. Interesting to see this request pop up a few times now today. I would attempt to provide this manually to comply with the spirit of GDPR data portability clause for now. Note that I don't claim GDPR compliance for Rolepad at this stage, but would do my best to ensure data privacy and security.
You ToS is widely at odds with GDPR though, maybe modify it so it is more in-line?