All the Marketo documentation speaks to the importance of blocking fields when syncing Salesforce to Marketo so you don't have too many API calls and slow down the system. Currently I have Salesforce Professional with no custom profiles. I created a Marketo salesforce user that is a system admin. The only way I know to block fields is by going into Salesforce, customizing page layout, and removing fields I don't want to sync. Unfortunately, this removes the fields for all Salesforce users so this is unacceptable to the sales team.
Any ideas on how I can only edit page layout for only our Marketo user in Salesforce professional without custom profiles?
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