Note: Only Super Admins/Admins can do this.
On Charlie, you are able to who can view and edit documents. This is controlled by permission levels.
Expand Company from the side menu
Click on the Settings Section
Click on the information tab
Within the Documents Folders tab, you will see the documents split into: team member, office, company, defaults
Hover over the key icon to view the current settings
Click on the pencil icon to make changes
Make sure to "update folder" to save these settings
Note: Permissions can't be changed on mandatory documents (P45, passport, visa)