The divorce process can feel overwhelming, and divorcing couples likely have a long list of priorities and concerns they want to address during the divorce process. It is important for divorcing spouses to understand how to protect their interests and the wealth they have accumulated during their marriage, especially in circumstances of a high asset divorce.
This 2019 child custody/access grandparent case - Ninkovic v. Utjesinovic - comes from the Ontario Superior Court of Justice. The case is a good example of how the court may overturn a parent's decision and allow access to a grandparent.
Depending on the parenting agreement and best interests of the child, the answer could be yes. Custody does not prohibit a parent from seeing a child. Custody is about who gets to make decisions about raising the child.