If you cannot get Revoice Pro to display Grid Lines when in Bar & Beats mode, Please look at the top of the Revoice Pro window: you may see the words: "Bar & Beats Start At:1:00:00.000"
Make sure that your audio is placed after that position on the timeline, OR choose View > Settings to adjust the DAW Time Offset settings:
...so that the grid lines will appear:
Grid Lines do not appear in Revoice Pro
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