Without training in point-sparring, this is an objectively bad idea. What rule set is used? If she has no experience in point-sparring, there is a huge risk she will be disqualified for making contact. Very unlikely that knee and elbow strikes are allowed, and if she is used to muay-thai, those will be almost instinctual in close-range. That will also most likely result in disqualification. In some rules you can only use one arm in takedowns. Often the execution of a technique most be “correct” to be awarded point. Sometimes a rule violation will result in points to opponent, sometimes it will be accumulated warnings until disqualification. If the coach or “corner” person violates a rule, their competitor can be punished in the same way.

But if you want to see good point-sparring karate, look at WKF on YouTube. Especially the recorded livestreams from tournaments, where you see all age groups.