[Can Structured Data Help My SEO?]

Yes, It is considered to be the very helpful in SEO. If we use structure data in our web page then google get batter understanding what your page is about. 

[How to improve SEO]

Do some keyword research then writer meta title and meta description. After that writer inject found keywords in product descrption. 

Last but not least, Create some quality backinks such as article submission, web 2.0 submission and guest posting