You can change the month to full month using settings, but just be aware this impacts both the list view and the detailed event date icon.
In the style tab you will find
However, in terms of adding commas etc there are no settings or code filters that can be applied to achieve this.
Thank you for the quick response! I was able to find this setting and enable it. I originally thought the setting might have been broken for displaying the full month because I had selected the option to display the full name under the “List Settings” options and saw that it did not update it in the grid.