I would like ResearchGate to help me by providing a free peer review (as proofreading) for my manuscript or article, which I plan to publish in an international Scopus Q1 journal.
It sounds to me that your goal to receive some feedback that might improve your paper before the formal journal peer review process once submitted to a journal has more chance when you submit your manuscript to a preprint server.
See for more info for example https://authorservices.taylorandfrancis.com/publishing-your-research/making-your-submission/posting-to-preprint-server/