Hello @Andrei Fulea , Thanks for using Microsoft Q&A Platform.
As we know the OCR service extracts printed or handwritten text from images. By default, the OCR service extracts text line by line. If you want to extract text from scanned and digital documents, use Document Intelligence Read OCR.
With OCR even the table data can be extracted line by line so the table output will be read as row by row as shown here:
You can do some post processing techniques to extract only column kind of data.
Additionally, if you are looking to extract table data, then you can use models that are available in the Document intelligence that supports table extraction.
I hope this helps.