No, software is a windows based tool and you cannot use it on mac machine.
Highlighted Features of OLM Viewer Software:
Yes, the OLM Viewer software supports to open OLM File of both Outlook for Mac 2011 & 2016
Yes, the software supports to read Multiple OLM Files,The Software allows you to open OLM File at once, But in order to view View Multiple OLm File . You need to add the next OLM File into software using "Add File" Option. This will help you to view & read multiple OLM .