Dear Aradhana,
Please find below link for Concur pricing. You can send a request for Quote from Concur after submitting details about your employee headcount /industry/city,etc
See Concur's Pricing & Editions - Concur
Regarding, Pros and Cons:
Pros:
1.User Experience about Concur, I'll say it's AWESOME !!! It has inbuilt integration with UBER,Starbucks,Triplt any many more in pipeline. It has better API capabilities. So with help of your implementation partner you can integrate 3rd party service providers/travel sites,etc.
2.Being a cloud solution it can be implemented within a short period unlike traditional T&E management
3.24x7 global support from SAP Concur team
4. A way towards Sustainability and Go Green initiative
Cons:
Not experienced so far.
Regards,
Niladri