In Digizuire assets has metadata and each customer has its own set of metadata. These is was are what we call dynamic metadata. In order to them into Sitecore when you synchronize. You have to add them to the configurationuse these metafields in Sitecore. The sync user must have read access to the metafield in Digizuite. Contact your Digizuite consultant they can help setting the rights.
An easy way to inspect the metadata for an asset that has been synchronized. Is to go to the DAM for Sitecore Administration dashboard DFS 11.0 - Asset metadata viewer and type in the assetid and go to the section Dynamic Metadata.