Unfortunately, you cannot use the content pieces that you create for Pepper Content. As per our terms of association, all IPs that are created in terms of content while working with us on any project that we assign to you, rest with Pepper Content and its customers. Hence, you cannot use any content pieces you create for Pepper - either in your portfolio or for any other purposes.
Duplication of content is strictly prohibited as it can endanger our partnership with our customers, and also lead to us terminating your account with us as mentioned in the contract we share.