A: Hello - the system will translate the eLearning content to respond to the query/document you upload. The simple answer is most languages are covered by there isn't a definitive list, mainly because that would suppose there is some definitive list on the datasets it was trained on, it’s all of the languages in the training set, which would typically include most commonly spoken (online).

The voiceovers are limited to 33 languages currently - these are listed here https://docs.aws.amazon.com/polly/latest/dg/supported-languages.html