If you do not have participation rights in a discussion you will not be able to directly create claims. However, if you follow the same steps as for Creating a Claim you will be able to create a suggested claim, which can be accepted by any discussion Admin. Until a suggested claim is accepted it is only visible to you and discussion Admins.
When you’ve suggested a claim, you can add additional suggestions under that claim - both Pros and Cons. You can also move your suggestion (see: Moving/Copying a Claim) to another location, if you later realise there’s somewhere it would fit better.
When responding to suggestions, Admins can either accept them, or comment on them to discuss them with you and/or other Admins - for example, to collaboratively fix an issue before accepting the claim.
When your suggested claim is accepted or an Admin has replied, you will receive a notification. Until your suggestion is accepted, you can edit it (see: Editing a Claim) or comment on it (see: Commenting on a Claim).