S3 storage does not use https?

GroupDocs.Conversion Cloud Product Family
1

If I put a deny rule in my S3 bucket’s policy for:

“Condition”: {
“Bool”: {
“aws:SecureTransport”: “false”
}
}

I see requests from groupdocs getting denied. Is groupdocs not using https by default to hit S3? If so, is there a way to force it to? This would be a dealbreaker for our usage of the api.