Oxygen has rudimentary support for WPML.
This is not an official feature of Oxygen and no support will be provided via official support channels.
Note that the Oxygen and WPML teams have been in contact and are jointly investigating official compatibility. This does not mean that WPML compatibility is planned or guaranteed at this time.
Information on translating content created in Oxygen can be found on WPML's website: https://wpml.org/documentation/translating-your-contents/page-builders/
Please report issues on GitHub.