To display Facebook Fanpage Reviews on Sidebar WordPress, just follow these steps.
Display a Review
1. Get Embed Code
Access your Facebook Fanpage Review > Click “three dots” icon > Embed
Copy Embed Code
2. Insert to Sidebar WordPress
Appearance > Widgets > Drag Text Widget to Sidebar > Click “Text”
Result
3. Customize Width & Height
Edit 500 and 373 to number what you feel okay 🙂
Display All Reviews to Sidebar
1. Install and Activate Facebook Reviews Plugin
2. Insert Reviews
Appearance > Widgets > Drag Facebook Reviews Widget to Sidebar
Log in your Facebook account > Follow their instructions > Save Widget
Done!