iCloud Photos securely stores images, Live Photos, videos, and more across Apple devices.Synced content includes photos, videos, panoramic images, and even facial recognition data.Benefits include secure backup, seamless sync across devices, and easy access via the iCloud website.Drawbacks include limited iCloud storage space and some clunkiness in managing larger photo libraries.Setup involves enabling iCloud Photos in device settings and choosing storage optimization options.If facing issues enabling iCloud Photos, check available iCloud storage and resolve technical glitches.After enabling iCloud Photos, all content is synced across devices and accessible on iCloud.com.Manage iCloud Photos by monitoring sync progress, pausing/resuming syncing, and keeping some photos offline.Remember to turn off iCloud Photos properly to avoid incomplete sync and potential data loss after 30 days.Overall, iCloud Photos offers convenience and backup benefits, but users should be aware of its limitations and settings.