Only if the authors pay for it.
https://authors.acm.org/open-access/acm-open-for-authors-hom...
> From January 1, 2026, all ACM publications will be published Open Access (OA), free to read, share, and reuse in the ACM Digital Library.
> From January 1, 2026, all ACM publications will be published Open Access (OA), free to read, share, and reuse in the ACM Digital Library.