Is there a simple way to recover encrypted Bitlocker drives?

I mostly back up my computer data to a backup drive. I momentarily loaded info onto it, but I hope I deleted it. I appreciate your patience. Bitlocker safeguards it. While I was abroad, a housesitter hooked up an Android tablet to the backup drive’s port replicator. Oddly, they encouraged Android to “fix” the drive using exFAT. Android does not recognize NTFS or Bitlocker disks. She hadn’t attached it for long, so it wasn’t too deep. Data should be retrievable, correct?