Auditioning Pre-Roll and Post-Roll
You can audition and play just the pre-roll or post-roll material for a selection.
To play from the pre-roll point to the start of a selection, or to the current Cursor location:
Press Option+Left Arrow (Mac) or Alt+Left Arrow (Windows).
To play to the post-roll point from the end of a selection, or from the current Cursor location:
Press Command+Right Arrow (Mac) or Control+Right Arrow (Windows).