I checked a few pages and the mobile version looks fine to me. On the larger mobile devices there is quite a lot of left/right padding – but all of the content is created in Beaver Builder which would be responsible for controlling that.
If theres a specific page or perhaps a screenshot of the issue – i am happy to take a closer look.
Looks like the GTAG script you have added is missing its closing </script> tag which in turn is breaking the viewport meta that is required to set the viewport size to the current device.