You can unblur individual pieces at any time by clicking View Content.
How to Manage Blur Settings
Click your profile picture, then Settings.
Select Privacy & Safety.
Scroll to Message Content Blur.
Pick your preferred blur level.
Why Use Message Content Blur?
This setting is especially useful if:
You open messages in public or shared spaces
You want more control over when and how you view media
It’s a simple way to protect your privacy while staying in control of your messages.