user not receiving approval notification content at all

Summary:

Content (please ensure you mask any confidential information):

Hello,

user - A, isnt receiving email content of requisition approval content correctly, however other app-rovers with same roles and security are receiving the content correctly to approve the requisition.

How can we check or work this around ?

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

24c

Code Snippet (add any code snippets that support your topic, if applicable):