You certainly don't want logs to accessible, since they are a favorite target of hackers trying to cover up their activities. On the other hand, you want the right people to be able to view them easily. The other thing to consider is the security. These are the types of questions you have to ask yourself. Management Obviously, management and operational overhead are issues.
Management ranges from command line to HTML-based remote access.
Keep in mind that if you are going to use remote access to administer your firewall, you had better not have a user account of admin with a blank password. Make sure the remote-access method is secure. This has pretty much been the hot topic lately. Basically, you want to use the public Internet to access your secure network, or connect two private networks. Of course, there are serious security implications.