Tap the Access Level dropdown to assign one of the following permissions to the member:
For a folder:
Organize: Collaborator can create, edit, comment on, and share the folder with other users.
Edit: Collaborator can view, comment on, and edit the folder.
View and Comment: Collaborator can view and comment on the folder.
View: Collaborator can only view the folder.
For a file:
Share: Collaborator can share, edit, and comment on the file.
Edit: Collaborator can view, comment on, and edit the file.
View and Comment: Collaborator can view and comment on the file.
View: Collaborator can only view the file.