Hi @rreddy
Those posts you've mentioned are created by a different account. As such we cannot remove them unless that account requests to remove them. Do you still have access to that other account? If so, you could login to community using an incognito session or another browser and then post here to request to remove them as that account.
Alternatively, using that other account you could click ... menu and choose 'report to moderators'. This will give you the ability to explain in a comment the problem with the post. That in turn will flag that content to our moderation team who can review it. But again that has to be done from the account that created the post, not from another account.
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