As per your concern kindly perform the following steps to resolve your issue:
From Settings, swipe to and tap Notifications, and then tap Lock screen notifications. Tap the switch at the top to turn on Lock screen notifications. From here, you can customize the available settings to your liking:
Hide content or Show content: Choose your desired option for your notifications. If you choose Show content, you can then tap the Settings icon to select which apps will show Lock screen notifications.
Show content when unlocked: Notification content will be visible when your device is unlocked.
Notifications to show: Enable either Alert and silent notifications, or Alert notifications only.
Show on Always On Display: Show or hide notifications when your Always On Display is active. This option may not be available on all devices or when you are using Power saving mode.
If the issue persists, kindly report the problems with a log file. To share a log file, click on the Samsung Members Application (Open Samsung Members Application > Support> Tap on error report > Type your query > Send).
