The access to Widgets and Services can be restricted to users who have access to certain Private or Premium chatrooms.

To manage the access navigate to Dashboard → Services (or Widgets) → Service (or Widget) Name → Permissions tab and select the desired premium or private chatrooms as shown below:

The above configuration translates to: The user who has access to any of the #Premium2 or #Private chatrooms gains access to this Service.

To embed a Google Doc or Sheet as a Service or Widget, you will need to assign appropriate permissions to the document and then get the sharable URL.

1. Click on the Share button

2. Give the appropriate permission to the document you want to share. You more likely want to give Public Access.