Thanks for getting in touch.
Yes, we offer such feature that allows you to show or hide document name in GroupDocs Viewer.
You can perform the following steps to achieve the task:
1. Log in to GroupDocs account.
2. Go to My Account >Apps.
3. Click Viewer. Clear the Show Document Name in Embedded Viewer check box.
There are other features available that can be useful for you such as disable right- click, print, etc.
I hope this information was helpful. Please feel free to contact us if you need anything else.