Signing a new power of attorney does not automatically revoke the older power of attorney. You might be legally bound by the actions of the agent on the older power of attorney unless you specifically revoke it.
To ensure your prior powers of attorney are revoked, you should indicate this within the "Revocation of Previous Powers" section of the Financial Power of Attorney workflow on Wealth.com (2) execute the revocation form that will be provided to you with your new power of attorney, and (3) notify anyone who has a copy of your old powers of attorney (like the agent or your bank) of the revocation. You can do this by sending them a copy of the signed revocation form.
It is important to revoke prior financial powers of attorney if you believe there could be conflicting instructions given to your banks and other third parties. For example, you should revoke prior powers of attorney if you changed your mind about who should be your agent or what specific powers your agent should have. For this reason, having one financial power of attorney at a time lessens the potential for confusion.
If you do not wish to revoke any prior Financial Powers of Attorney and notice that a revocation form was included in the PDF document you generated, you can simply disregard that form, do not sign it. Note also that you do not necessarily have to revoke older powers of attorney. For example, if you moved to a different state but are keeping the same agent, you may want to keep the older power of attorney in place.
If you have additional questions regarding revoking financial powers of attorney, you should consult with a qualified estate planning attorney.