E7A001 is a "container" hot fix that contains "member" hot fixes which will update your SAS software components.
See "What is a container hot fix?" in the SAS Hot Fix FAQ for more information on container and member hot fixes.
A manifest listing the contents of each of the following "member" hot fixes is available:
E7B001 manifest for SAS Contextual Analysis Mid-Tier 15.1
E7C001 manifest for SAS Text Analytics Mid-Tier Rest API 15.1
E7D001 manifest for SAS Text Analytics Mid-Tier Services 15.1