Digital assets are an integral part of your marketing activity. Period. If you are producing branded marketing material at scale then having a secure and organized repository of your company’s digital assets is quite simply a must.
Remember storage is not management, and DAM tools are not merely a replacement for the public drive - they offer so much more, read on to find out what a Digital Asset Management tool could do for your company... 
Promote collaboration and productivity 
How much time do you waste looking for a file a colleague sent you a few weeks ago? Have you ever seen a new piece of company material be produced only to realize it is not using the latest approved company imagery? If these are the kind of scenarios that you are familiar with then you should strongly consider using DAM software.
Source: https://www.entrepreneurshipsecret.com/digital-asset-management-tool/