This issue is typically related to the permission settings for your team member.
Your Company Administrator can access permission settings for a specific user through the Project Directory by clicking on the 'Edit' link next to the user's name. If your team member can't see the item, he/she has access level 'None' and needs to be upgraded to 'Read Only'.
If your team member can't respond to an RFI or Communication item, he or she has 'Read Only' access and needs to be upgraded to 'Standard'. If your team member needs to edit, reject, or approve an item, he or she may need to have 'Administrator' access. Contact your Account Manager with any questions for clarification.