how can i get orders without review exchange
Order without a review exchange
You need to find a market
Promote your ignition in social media networks
Do not even think about review exchange!
Read the Terms of Service at the bottom of the Fiverr main page for the rules as to how Fiverr works and the consequences if you violate them.
Also check out: https://forum.fiverr.com/c/Fiverr-Tips/tips-for-sellers for hundreds of tips on how to get orders.
You will find lots of tips to help you get orders in the above. Enjoy the forum.