To re-authenticate your Instagram account in LoudCrowd:
Log into LoudCrowd
Go to the "Integrations" tab in the bottom left-hand corner
Under the "Social Platform" section, click the "Refresh" button next to your Instagram account
Follow the on-screen prompts in the Facebook popup to complete the authentication
Make sure to select "YES" on all permissions!
To re-authenticate your TikTok account in LoudCrowd:
Log into LoudCrowd
Go to the "Integrations" tab in the bottom left-hand corner
Under the "Social Platform" section, click the "Manage" button next to your TikTok account
Scan the QR code + log into your TikTok account
Follow the prompts from there