Notes on the letter to Mr Albanese, seen by Guardian Australia, show a senior adviser made multiple edits and wrote "fine" on some content, appearing to approve lines before the committee sent the letter to the prime minister on Monday night.
Mr Pocock, a member of the parliamentary committee considering AI policy, said the involvement of the prime minister's office in vetting the letter was concerning.
The committee's chair has rejected criticism that the letter was "pre-determined" by the government, defending the process.
The dispute centres on the independence of a letter intended to carry bipartisan backing from the committee. Guardian Australia reported that the adviser's notes suggest government sign-off on the committee's language before the letter was formally transmitted.