1. **Using Adobe Acrobat**:
- Open the PDF document in Adobe Acrobat.
- Click on the "Fill & Sign" tool in the right pane.
- Click on the "Sign" button in the toolbar at the top.
- Choose "Add Signature" or "Add Initials" and follow the prompts to create and place your signature.
2. **Using Adobe Acrobat Reader**:
- Open the PDF document in Adobe Acrobat Reader.
- Click on the "Fill & Sign" tool in the right pane.
- Click on the "Sign" button in the toolbar at the top.
- Choose "Add Signature" or "Add Initials" and follow the prompts to create and place your signature.
3. **Using Preview on Mac**:
- Open the PDF document in Preview.
- Click on the "Show Markup Toolbar" button in the toolbar.
- Click on the "Signature" button in the Markup Toolbar.
- Choose "Create Signature" and follow the prompts to create and place your signature.
4. **Using Online Signature Services**:
- There are many online services available that allow you to upload a PDF and electronically sign it using your mouse, touchscreen, or by uploading an image of your signature.
- Some popular online signature services include DocuSign, HelloSign, Adobe Sign, and SignNow.
5. **Using Mobile Apps**:
- There are several mobile apps available for iOS and Android devices that allow you to electronically sign PDFs.
- Some popular options include Adobe Fill & Sign, DocuSign, HelloSign, and SignNow.
Regardless of the method you choose, make sure to review the document carefully before signing to ensure accuracy. Additionally, consider the legal implications of electronically signing a document and make sure that your signature meets any applicable legal requirements.