Hi DanielMeierotto-7637 - Thanks for reaching out over Q&A Forum
As checked internally, currently there are no plans for supporting Parquet Files for Query Acceleration Feature.
There is a similar ask in the Feedback forum and I would recommend to UpVote for the same.
https://feedback.azure.com/d365community/idea/e68ed455-fc5c-ec11-a819-0022484e8090
Hope that helps!
Please let me know if there are any further queries/concerns, will be glad to assist.
Please do not forget to "Accept the answer” and “up-vote” wherever the information provided helps you, this can be beneficial to other community members.