'the' vs. no 'the'

My work includes daily checking of a control report.
My work includes daily checking of the control report.

My work includes daily checking of control reports.

My work includes daily checking of the control reports.

1. If it is the first time that I mentioned about "control report(s)" in an interview, can I still use the sentences with 'the'?
2. My reason for using 'the', even if I mentioned "control report(s)" for the first time, is because in my mind, I'm thinking of the report(s) specifically received by our group. Is it correct, then, to use 'the' in this case?

Please advise. Thanks.