Pronunciation - can we change pronunciation?

Is there some way to change the way a word or item is pronounced? For example, ATIS/AWOS sounds like atiss ahwoss…

Or - is there some way to have an audio item that is different from the visual text display?

Yes. Click on the Advanced Panel on the right. There is an audio override for Label 1, Label 2 and Label 3. You can also override the audio when she announces a List or Section name in the same way.

Here is mine for ATIS…