When influencers request to participate in your campaign, you have the option to approve or reject their application from the requests tab in your account.
In the REQUESTS tab, go to PENDING REQUESTS and find all your requests.
You will then have to click on the green checkmark to approve the request, or on the red cross to reject it.
You have 10 days to approve or reject a request.
Once this period has passed, the request will expire, and the influencer will receive an email informing them that their request has not been accepted.