Which specific feature allows posts to be viewable by users in certain locations or who speak certain languages?

The feature that allows posts to be viewable by users in certain locations or who speak certain languages is Facebook Gating. This functionality is designed to restrict the visibility of content based on predefined criteria, such as geographic location and language preference, ensuring that the right audience engages with the content. By implementing gating strategies, marketers can customize their outreach efforts and optimize engagement by delivering content that resonates specifically with the audience’s cultural and linguistic backgrounds.

In contrast, while Facebook Targeting allows advertisers to reach specific demographics, it does not inherently restrict content based on location or language for organic posts. Facebook Boosting refers to the process of promoting posts to reach a broader audience but does not provide the same level of control over specific location or language targeting. Facebook Scheduling allows users to plan and automate their post timings but does not influence the audience's demographics or language settings. Thus, Facebook Gating is the specialized feature designed for audience-specific content delivery, making it the correct choice in this context.