To be or not to be part of the overall process map

Answer
There is no straight answer without further information. Being part or not of the process map is a function of the importance of the IT department in serving the relevant interested parties. For many organizations what I see is that IT is more a background process and the use of Standard Operating Procedures (Work Instructions) is enough. For other organizations IT is fundamental and they appear in the process map. Also, please do not consider a department as the same as a process. In what flow of activities does the IT department appear? For example, there might be their participation in 1 or 2 steps in the integration of a new employee.

The following material will provide you information about processes:
- Article – ISO 9001: The importance of the process approach - https://advisera.com/9001academy/blog/2015/12/01/iso-9001-the-importance-of-the-process-approach/
- Free webinar on demand - The Process Approach - What it is, why it is important, and how to do it -https://advisera.com/9001academy/webinar/iso-9001-process-approach-free-webinar-on-demand/
- Free course – ISO 9001:2015 Internal Auditor Course - https://advisera.com/training/iso-9001-internal-auditor-course/