Everybody that is not a programmer (or otherwise IT/technical) doesn't understand version control at all. So as other commentators have said, their idea of version control is to save the file with a different name, a different extension, etc.
I have seen it as files on a shared drive.
I have seen it as files on a sharepoint drive.
I have seen it as files inside of an SVN repository.
No, there's a lot of decent project managers, lawyers, etc, who understand something called revision control, which has much the same job in the real world for managing complex pieces of work, specs, etc...
I have seen it as files on a shared drive. I have seen it as files on a sharepoint drive. I have seen it as files inside of an SVN repository.