force:navigateToURL can be used for Navigation in Salesforce Lightning.

AccountList.cmp:

<aura:component controller="AccountListController"
                implements="flexipage:availableForAllPageTypes,lightning:actionOverride,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes,force:appHostable" >
    
    <aura:attribute type="Account[]" name="acctList"/>
    
    <aura:handler name="init" value="{!this}" action="{!c.fetchAccounts}"/>
    
    <table class="slds-table slds-table_bordered slds-table_cell-buffer">
        <thead>
            <tr class="slds-text-title_caps">
                <th scope="col">
                    <div class="slds-truncate" title="Account Name">Account Name</div>
                </th>
                <th scope="col">
                    <div class="slds-truncate" title="Account Name">Industry</div>
                </th>
                <th scope="col">
                    <div class="slds-truncate" title="Action">Actions</div>
                </th>
            </tr>
        </thead>
        <tbody>
         <aura:iteration items="{!v.acctList}" var="a">
                <tr>
                    <td data-label="Account Name">
                        <div class="slds-truncate" title="">{!a.Name}</div>
                    </td>
                    <td data-label="Industry">
                        <div class="slds-truncate" title="">{!a.Industry}</div>
                    </td>
                    <td>
                     <button class="slds-button slds-button_brand" onclick="{!c.editAccount}" id="{!a.Id}">Edit</button>
                     <button class="slds-button slds-button_brand" onclick="{!c.viewAccount}" id="{!a.Id}">View</button>
                    </td>                        
                </tr>
            </aura:iteration>
        </tbody>
    </table>
    
</aura:component>

AccountListController.js:

({
    fetchAccounts : function(component, event, helper) {
        var action = component.get("c.fetchAccts");
        action.setParams({
        });
        action.setCallback(this, function(response){
            var state = response.getState();
            if (state === "SUCCESS") {
                component.set("v.acctList", response.getReturnValue());
            }
        });
        $A.enqueueAction(action);
    },
    editAccount : function(component, event, helper) {
        var editRecordEvent = $A.get("e.force:editRecord");
        editRecordEvent.setParams({
             "recordId": event.target.id
       });
       editRecordEvent.fire();
    },
    viewAccount : function(component, event, helper) {
        var viewRecordEvent = $A.get("e.force:navigateToURL");
        viewRecordEvent.setParams({
             "url": "/" + event.target.id
       });
       viewRecordEvent.fire();
    }
})

Apex Class:

public class AccountListController {
 
    @AuraEnabled
    public static List < Account > fetchAccts() {
        return [ SELECT Id, Name, Industry FROM Account LIMIT 10 ];
    }
    
}

Output:

Once the user clicks View button, it will take them to the detail page of the account record.