can this software be used as a spy software - (give others access to my key strokes)?

Hello  and Welcome to the Webroot Community Forums!
I hope this is what you were asking
 
WSA has anti key logging technology built in.  Click on the gear/cog to the right of the Identity Protection tab abd take a look at what it covers under 'Onliine Protection'.
And you can also protect application specifically under the Application Protection tab.  Please see this KB article that explains the terms/type of protection, and look specifically at the section " Identity & Privacy > Protected Applications".
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The Identity Shield protects all the details you share with an internet bank. It protects
information like login details, passwords, account numbers, credit card details and
personal information such as addresses, dates of birth etc. It also adds a second layer of
protection against highly targeted banking and information stealing Trojans to ensure your
identity and online activities are fully secure.
Webroot SecureAnywhere protects you in these ways:
• Identifies if a website you visit is the genuine site making sure it’s not a false
banking (phishing) site
• Ensures your login information is only entered into the website it’s intended
for
• Protects your personal information, even if there’s already unidentified
malicious software on your PC
• Automatically protects your web browser, cookies and saved website data
• Prevents browser attacks from keyloggers and screengrabbers that try to
peer into your banking activity
• Protects clipboard data from theft and stops URL grabbing attacks
• Blocks browser modification attempts and any suspicious access to browser
windows
 
Managing Identity Protection
http://www.webroot.com/En_US/SecureAnywhere/PC/WSA_PC_Help.htm#C6_IDProtection/CH6a_ManagingID.htm