When Trying to publish PDF file in Brava find the below error message:
We need to check if Document is approved or not, as per eB functionality, we cannot add any file in Approved Document.
Unapproved the document and try to publish the file to PDF and it should work fine.
https://communities.bentley.com/products/assetwise/assetwise_platform/w/wiki/33311.files-are-failing-to-open-in-brava
I hope this will help to resolve the publishing issue.