Can we provide "Reassign" option to specific users in BPM workflow task

Summary:

1.We have a requirement where we need to restrict the "Reassign" option to specific users in BPM workflow task. Please let us know how this can be achieved.

We have this requirement for External supplier registration approval.

2.We want to give access to "Request to resubmit" button to specific users. Please let us know how this can be achieved

See the screenshot below

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