How can I use the keychain viewer to manage and access my saved passwords and secure information on my device?

To manage and access saved passWords and secure information on your device using the keychain viewer, you can open the Keychain Access app on your Mac and navigate to the "PassWords" category. Here, you can view, edit, and delete saved passWords and other secure information stored in your keychain. You can also search for specific items and organize them into different keychains for easier access.