As the document owner, you easily change permission tiers for collaborators on your document. Permissions range from 'view only' for those private documents, up to 'can share' for wider document dispersement & sharing.
1. Click the Share button in the Lumin editor
2. Select Bulk Update to change sharing permissions for your document members
3. Select the sharing permission level for your document members and update to save
Sharing Permissions Comparison:
Can View: member can only view document, cannot make edits or share
Can Comment: member can view and make comments but cannot make annotations or share
Can Edit: member has full editing and annotation permissions but cannot share the document with anyone else
Can Share: member has full editing and sharing permissions