ODP manager can do the following under admin settings.
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Note: ODP manager cannot get access to all datasets available in ODP. Dataset owner or someone with full control has to share the dataset to the manager for him/her to gain access to it.
Admin > General
The default role of users can be set by ODP manager under Admin > General Settings page. Users will be assigned to default role automatically when ODP manager approves an user request. To define or change default role, go to Admin > General settings page, scroll down and look for 'Default Permission' drop down. Choose any one and hit save button at the bottom.
A brief about various Default Permissions and their behaviour
None
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- When this permission is set any registration comes to the manager and he has the right to approve or reject the registration. When approved the user will be a visitor.
Visitor role
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- With this permission any person who registers will become a visitor by default
Contributor role
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- With this, the registered person will become a contributor by default.
Admin > Users
- To approve or reject an user in ODP, click either Approve or Reject link.
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- To remove an user account, select an user account, scroll down to bottom and select 'Remove' and hit click apply.
Admin > Appearance
Manager can apply style / theme / color. To change the appearance/other options, they can be seen clicking the 'Admin' tab. 
Admin > Authentication
To open ODP for Public go to Admin Authentication settings. Check the option 'This community is public'.
