We have checked our theme google map feature for contact page. But it is working fine. Please follow below link to add google map on your contact page.
Copy embed href link from iframe that is shown in documentation of theme.
Now, go to Appearance >> Customize >> Contact Page Panel >> Map Settings and find Google map URL setting and paste embed url link in this setting. Click on top publish button to save this. Kindly check your website contact page again.
Let me know your issue is resolved or not.
IF you have any query with this then contact us again.