Cost Center wise access to different users to view Financial Reports

Summary:

We have a requirement where the client is expecting access to Financial reporting on the basis of Cost Centers authorized for the user.

Content (required):

For instance, if the user has access to Cost Center ABCD and XYZA. He or she should only be able to view the report for ABCD and XYZA Cost Centers. I understand that this can be achieved using Segment Security rule. But my question is, after applying Segment Security rule doe the Cost Center. Will the same user be able to enter transactions in the system for the Cost Centers he is authorized?

Version (include the version you are using, if applicable):