Assuming you'll buy a Bentley but that you may still be curious: if you're on Windows, you can pretty easily create a temporary virtual machine that is completely separate from your actual computer and won't allow anything in the VM to interact with it.
It's called a "sandbox," and was created so you can test stuff without wrecking your actual computer.
You first need to enable Windows to create sandboxes (link below), then create one, which is no harder than opening an app. (If you're on a work computer, it's pretty likely you won't be able to enable sandboxes.)
Next, go to the Google Drive and see what you see. Edge browser will be loaded in the sandbox, btw.
Open the files, poke at them, download them, click links in them. Windows Defender is on by default, will likely tell you that someone is trying to do Bad E36 M3.
Once you're done, when you close the sandbox, everything in it is deleted. So if you're able to get standalone files, after all, you'll want to store them on your own cloud site, or email them to yourself.
Also note that PDFs can have JavaScript in them, so they aren't necessarily safe. If you use Print to PDF in the sandbox to make copies, they won't have JS in them.
This link has sandbox instructions:
https://learn.microsoft.com/en-us/windows/security/application-security/application-isolation/windows-sandbox/windows-sandbox-overview
