I'm not sure what it is
In layman's terms, she's been "certified" as a QuickBooks Pro Financial software user, which means she's "officially" recognized as someone who can work with it and advise clients. It would be something akin to if you were "officially" certified to use WordPerfect - but on a much grander scale.
Congrats, victoriawinters!
...
and having now paid lots of money too shameful to mention
... (But I don't even want to know what you might have paid to take the test because the fees are usually astronomically ridiculous to get certified in anything even remotely worth getting certified in these days!
)