As a feature in company administration you can see reports. 

To use this feature, go to your company administration site and choose reports. 

In reports you now have three options. 

1. Search files 

2. Audit

1: In search files, you have the possibility to search for your files, in a defined shared and the content of a filename.
You can also sort the files after date. 

Click: Get report or Download

Here will you be able to see, the file name, location of the file, the creator of the file and the size of the file. 

You can also see if the file is deleted by the little trash can icon. 

2:In Audit you have: User journal, Log in, File and folder events and Public folder and files. 

- User journal shows the list of operations made by a specific user.
You can search on a specific share or by a specific user.

- Log in shows the login history of users

- File and folder events shows the operation and access to a specific file or folder.
In here can you sort by event type, such as FileUpload, FileDownload, FileDelete etc.
You can sort it on user level and share/folder level. 

- Public folder and files shows operations related to public links.
You can sort it on eventype such as LinkCreate, LinkDelete, FileDownload etc.