If the user has only locked their future posts but not their profile picture, you may be able to click on the picture to view it, although this is becoming rarer as users lock down all settings. What to Avoid
Services like Grabify or URL shorteners are sometimes used to bait users into clicking links, but these do help you view a locked DP; they are generally used for tracking IP addresses and should be avoided for privacy reasons. fb locked profile dp viewer exclusive
The selective visibility of DPs on locked profiles raises concerns about user privacy. By making DPs visible to a select few, users may be exercising control over their online identity and self-presentation. However, this also raises questions about the potential for exploitation or unauthorized access. If the user has only locked their future