How to use FileZilla: (Pterodactyl Panel)
1) Login to your control panel and select the server you want to access with FileZilla.
2) Locate a drop down menu "Configuration".
3) Look for SFTP settings and use the information provided.
4) The password to access FileZilla is the password you use to login to your control panel
You can also watch this short video: https://www.youtube.com/watch?v=YVYYPvfW0JA&t=15s