How can I share a Google Drive file to anyone on iOS?
If you're the G Suite administrator, you can control whether users can share their Drive files outside your organization. You can also set the default sharing options for new files created by users.

To allow users to share outside your organization to anyone:


Sign in to your Google Admin console.
From the Admin console dashboard, go to Apps > G Suite > Drive and Docs.
Click Sharing settings.
Under Sharing outside of organization, select ON. Users can invite people outside the organization to view, comment on, and edit their files.
Select the options according to what you need.


You can fine tune the sharing settings. Read more at the G Suite docs.