Without a doubt, the following are the cornerstones:
• Safety
• Usability
• Cost-effectiveness
In the broadest sense, that's the greatest cloud-based DMS, isn't it? Your team must be able to use the system, which means it must be easy to use, your documents must be secure, and you don't want to overspend on it.
Of course, you can specify more precisely what security and other features you require from the software if you go into depth.
