Based on the users' reviews, here are three cons and pros for the Facebook Work Chat app: **Cons:** 1. Confusing layout: Users find the app's design confusing, with too many options and features. 2. Poor audio quality: Many users experience poor audio quality during voice and video calls. 3. Limited features: Some users find the app lacking in features, with limited customization options. **Pros:** 1. Convenient communication: Users appreciate the convenience of having all workplace conversations in one app. 2. Clear messaging: The app's clear messaging feature helps users stay organized and focused on tasks. 3. Reliable notifications: Users praise the app's reliable notification system, keeping them informed of important updates. Please note that the reviews are subject to change, and this analysis is based on the current review data available at the time of my knowledge cutoff.