Don't see text showed in Video using Video indexer

We would like to explore the Video indexer for compliance inspection of content shown on screen.

https://www.videoindexer.ai/accounts/9cc5a4d4-7d5a-4e55-bf8c-1d4d9d885c3a/videos/a6ba99525f/?location=Trial

I have uploaded a one minute video in which the presenter shares on screen a spreadsheet with list of customers credit card numbers.