A.
Yes via Tools->User Accounts...
User Accounts enables you to register other users of the program. Each user will have a User Name and Password. Each User is assigned certain Permissions.
Available Permissions are (in increasing levels of access):
Note -
Only users with Permissions allowing Setup will be able to enter the User Accounts screen and amend Usernames, Passwords and Permissions.
To register another user, select Add then simply enter a Name, Password and select Permissions level from the drop down. Then select OK to complete the action. There is no limit to the number of users that can be registered.
To remove another user, select the user to be removed with the mouse, select Delete and select OK to confirm the deletion.
Note - On first using the program, Username Admin has no Password set. To prevent unauthorised access to the program change the Admin Password. The Username Admin and full Permissions (for Admin) cannot be changed and are fixed within the program.