Thank you zimba much appreciated your response.
So if I ask employer to give just one letter mentioning:
- Employment details
- Continuity of service
- And one line such as : All absences, including personal and work related, were approved.

should be enough right?

what do you mean by unauthorized? so your company did not know you were out of country? yes, I think it was common practice to add some WFH days to your annual leave so you can be with family, but after covid policy was changed to not allow any WFH as few emps got stuck for longer durations etc I ...

Hi, I will be eligible for ILR via SW route starting Jan 2021 so later this year, but I just made a dummy application to see the required docs and it asks for "Letter(s) from employer(s) detailing reasons for work-related absences including periods of paid annual leave from the UK and Crown ...