Editing the Calendar Template
Navigate to Templates > Grace | Calendar > click "Edit with Elementor"
The Calendar may include a calendar set up locally in Wordpress, or html embed.
1. Grace | Calendar Full Page Section
1. Grace | Calendar Full Page Section
To edit this section template, navigate to Templates > Grace | Calendar Full Page Section > Click "Edit with Elementor"
Add a Modern Events Calendar Lite 
or, if you embed a calendar from another source, html.
If you show no options for "select type"
go to shortcodes and add a new vew in the dashboard:
To learn more about events calendar feature please see adding Calendar Lite Events.