With the Message Delivery Report, we receive a message as soon as the message has been received by the recipient. this confirmation of receipt is usually free of charge. on the Samsung device, the "show when delivered" function is disabled, but can be enabled in the settings.

Android 10 (One UI 2.0)
Step 1:  Open the  Messages -App
Step 2:  Open the  menu
Step 3:  Open the  Settings
Step 4:  Tap on  More settings
Step 5:  Tap on  Text messages
Step 6:  Enable or disable  Show when delivered
  1. Open the Messages-App
  2. Open the menu
  3. Open the Settings
  4. Tap on More settings
  5. Tap on Text messages
  6. Enable or disable Show when delivered

Samsung Instructions