Not all documentation is required for every case. Not every situation will require every log file - CA Support will let you know which ones are relevant. Please adjust examples for your platform and install path and version of Tomcat.
Release: CA Output Management Web Viewer 12.1
b) Websphere Documentation
d) The Web Viewer install and maintenance logs
If it is a Web Viewer install related problem or it is the first time running the product or the problem is right after a new build