No. Custom data sources apply to only one property. You will need to set up a different data source for each Levers Feed source.
To learn more about custom data imports, read through some of the helpful information below:
1. Read about custom data sources on Google Analytics Blog.
2. Read how to set up a custom data source on Levers Blog.
3. Remember your ad URLs must match the tags in your custom data source information. Learn how to how to tag ad URLs on Levers Blog.
Sign up for Levers Feeds at ---> http://app.leve.rs/signup